Tear-Resistant Hanging File Folders

Store stacks of papers up to 2-inch thick with these four extra-capacity hanging pockets. The 11-point cover material keeps items inside protected, and the standard-green color looks professional. Strong rods with longer plastic hooks and built-in tension springs ensure these Pendaflex legal-size hanging folders easily slide and stay on track in your file cabinet..Extra-capacity green paper stock folders hold up to wear and tear.Polylaminate strips across top edge and bottom folds for superior durability.Five tab positions allow you to customize your files.Accommodates legal-size papers and files.The pressboard-reinforced insert allows them to expand 2" for up to 400 sheets.Hanging file box fits in a file drawer or desktop filing system.Includes a printable label sheet and 25 clear 1/5-cut tabs.Contains 25 file folders per box.Made in the USA.File bulky items easily using these Pendaflex extra capacity reinforced hanging pockets.

This 11 pt. stock Pendaflex® hanging file folder is built tough to manage big loads, with patented polylaminate reinforcement to make it ten times stronger than the average folder. It features a flat bottom reinforced with pressboard insert, letter size, printer-ready inserts with tabs, lighter interiors to help prevent misfiling, and a dispenser box for quick, one-at-a-time access..Built tough to manage big loads.Patented polylaminate reinforcement makes folder ten times stronger.Flat bottom reinforced with pressboard insert.Includes letter size, printer-ready inserts and tabs.Made in the USA

This 11 pt. stock Pendaflex® hanging file folder is built tough to manage big loads, with patented polylaminate reinforcement to make it ten times stronger than the average folder. It features a flat bottom reinforced with pressboard insert, letter size, printer-ready inserts with tabs, lighter interiors to help prevent misfiling, and a dispenser box for quick, one-at-a-time access..Built tough to manage big loads.Patented polylaminate reinforcement makes folder ten times stronger.Flat bottom reinforced with pressboard insert.Includes letter size, printer-ready inserts and tabs.Made in the USA

Pendaflex SureHook reinforced hanging box files feature super-strong hanging rods with longer plastic hooks and built-in tension springs so files stay on track, slide more easily, and don't buckle under pressure. Closed, 2" capacity tear-resistant sides prevent documents from slipping out (reinforced insert included for stabilization). Includes 25 clear, repositionable tabs and inserts for placement in 5 tab positions. Blue. Letter size, 25/Box..Durable blue 11 pt. cover material for everyday use.2" expansion.Super-strong hanging rods with longer plastic hooks and built-in tension springs so files stay on track, slide more easily and don't buckle under pressure.25 per box.Letter Size.Includes 25 clear, repositionable tabs and blank inserts for placement in 5 tab positions.Paper made from 10% recycled fiber with 10% post-consumer fiber.Tear-resistant enclosed sides have a 2" capacity for large files.Order in full-box quantities, same item number.Pendaflex SureHook Reinforced Hanging Box Files feature super-strong hanging rods with longer plastic hooks and built-in tension springs so files stay on track, slide more easily, and don't buckle under pressure

Organize documents with these hanging file folders. These folders feature special strips on their edges to guard against tearing. The interiors of these folders have a lighter color than their exteriors, which helps prevent documents from being misfiled. Each box of Pendaflex reinforced hanging file folders comes with a label sheet and tabs to help users separate their items..Paper stock hanging folders in violet for general or color-coded filing.Poly-reinforced top edge and bottom fold provide added durability.Five tab positions allow you to customize your files.Accommodates legal-size papers and files.Hanging file folder fits in a file drawer or desktop filing system.Includes a printable label sheet and 25 clear 1/5-cut tabs.Lighter interior helps prevent time-wasting misfiles.Contains 25 folders per box.Made in the USA.File important documents accurately with these Pendaflex reinforced violet hanging file folders with five tab positions.

Organize documents with these hanging file folders. These folders feature special strips on their edges to guard against tearing. The interiors of these folders have a lighter color than their exteriors, which helps prevent documents from being misfiled. Each box of Pendaflex reinforced hanging file folders comes with a label sheet and tabs to help users separate their items..Green reinforced paper stock hanging folders for general or color-coded filing.Poly-reinforced top edge and bottom fold provide added durability.Three tab positions allow you to customize your files.Accommodates letter-size papers and files.Hanging file box fits in a file drawer or desktop filing system.Includes a printable label sheet and 25 clear 1/3-cut tabs.Lighter interior helps prevent time-wasting misfiles.Contains 25 file folders per box.Made in the USA.File important documents accurately with these Pendaflex reinforced green hanging file folders with three tab positions.

Organize documents with these hanging file folders. These folders feature special strips on their edges to guard against tearing. The interiors of these folders have a lighter color than their exteriors, which helps prevent documents from being misfiled. Each box of Pendaflex reinforced hanging file folders comes with a label sheet and tabs to help users separate their items..Red paper stock folders for general or color-coded filing.Poly-reinforced top edge and bottom fold provide added durability.Five tab positions allow you to customize your files.Accommodates legal-size papers and files.Lighter interior helps prevent time-wasting misfiles.Includes a printable label sheet and 25 clear 1/5-cut tabs.Contains 25 file folders per box.Made in the USA.File important documents accurately with these Pendaflex reinforced red hanging file folders with five tab positions.

Pendaflex Ready-Tab extra-capacity hanging folders feature 6 built-in tabs for faster file setup. Simply lift the tab in the position you need. The 2" capacity with cardboard reinforcement insert easily accommodates large files, and the folder is reinforced at top edge and bottom fold for additional durability. Legal size. Standard Green..Lift Tab™ technology with built-in tabs that easily lift up and down.Polylaminate, critical-wear-point reinforcement improves folder-strength by a factor of ten.Flat box-style bottom reinforced with pressboard insert.Letter-sized, printer-ready sheet of self-adhesive sticker-tab inserts.5 Built-in tabs for faster file setup: simply lift the position you need.Paper made from 10% recycled fiber with 10% post-consumer fiber.20/Box.Contains at least 10% post-consumer recycled material.Made in the USA.Pendaflex Ready-Tab hanging folders feature built-in tabs for faster file setup

Organize projects by color using these hanging file folders. An assortment of hues lets you highlight file priority or status, while the convenient sizing keeps legal-size documents and interior folders securely tucked inside. Heavyweight paper construction and strong hooks provide added protection and help extend the lifespan of your documents. These Staples legal-size assorted hanging file folders boast five tab positions for custom labeling and sorting..Comes in assorted colors and is made of 10.5-point paper stock with 114# basis weight for durability.Five assorted-position top tabs offer ample space for labeling to keep your files organized.File folder tabs are detachable; tear-resistant.Legal-size folder for holding oversize documents without folding.25 folders per box.Includes tabs and inserts.Maintain a neat, orderly filing system with these Staples legal-size assorted hanging file folders.

Organize documents with these hanging file folders. These folders feature special strips on their edges to guard against tearing. The interiors of these folders have a lighter color than their exteriors, which helps prevent documents from being misfiled. Each box of Pendaflex reinforced hanging file folders comes with a label sheet and tabs to help users separate their items..Blue paper stock folders hold up to wear and tear.Poly-reinforced top edge and bottom fold provide added durability.Five tab positions allow you to customize your files.Accommodates legal-size papers and files.Hanging file folder fits in a file drawer or desktop filing system.Includes a printable label sheet and 25 clear 1/5-cut tabs.Lighter interior helps prevent time-wasting misfiles.Contains 25 folders per box.Made in the USA.File important documents accurately with these Pendaflex reinforced blue hanging file folders with five tab positions.

Store paperwork with these bright, easy-to-label folders, which feature 1-inch box bottoms for storage of thick files. Notches on these folders allow label tabs to fit easily into the top of the file and printer-ready labels are included for use. These Pendaflex box-bottom standard green file folders are ideal for distinctive color coding, making file searches quick and efficient..Extra-capacity hanging folders green paper stock folders hold up to wear and tear.Poly-reinforced top edge and bottom fold provide added durability.Five tab positions allow you to customize your files.Accommodates legal-size papers and files.Scored for 1" expansion to hold up to 200 sheets per folder.Hanging file box fits in a file drawer or desktop filing system.Includes a printable label sheet and 25 clear 1/5-cut tabs.Contains 25 file folders per box.Made in the USA.Label and organize documents with these Pendaflex box-bottom hanging file folders.

Organize documents with these hanging file folders. These folders feature special strips on their edges to guard against tearing. The interiors of these folders have a lighter color than their exteriors, which helps prevent documents from being misfiled. Each box of Pendaflex reinforced hanging file folders comes with a label sheet and tabs to help users separate their items..Folders are made of green paper stock.Poly-reinforced top edge and bottom fold provide added durability.Accommodates legal-size papers and files.Hanging file box fits in a file drawer or desktop filing system.Contains 25 file folders per box.Made in the USA.File important documents accurately with these Pendaflex reinforced standard green hanging file folders with five tab positions.

Organize documents with these hanging file folders. These folders feature special strips on their edges to guard against tearing. The interiors of these folders have a lighter color than their exteriors, which helps prevent documents from being misfiled. Strong rods with longer plastic hooks and built-in tension springs ensure these Pendaflex letter-size hanging folders easily slide and stay on track in your file cabinet..Blue pressboard folders hold up to wear and tear.Poly-reinforced top edge and bottom fold provide added durability.Five tab positions allow you to customize your files.Accommodates letter-size papers and files.Closed sides expand 3" to hold up to 600 sheets.Super-strong SureHook rods with built-in tension springs keep hanging folders gliding on the rails.Includes a printable label sheet and 25 clear 1/5-cut tabs.Contains 25 folders per box.File important documents accurately with these Pendaflex SureHook reinforced blue hanging file folders with five tab positions.

Speed up filing and document searches with these easy-to-identify, letter-size hanging files in assorted colors. These hanging folders are water-resistant and made for long-term wear-and-tear due to their durable poly material. Pendaflex Glow Poly five-tab hanging folders come in a 12-pack..Durable poly folders in bright pink, green, blue, and orange.Five tab positions allow you to customize your files.Accommodates letter-size papers and files.12 folders per pack.Hanging file folder will fit in a file drawer or desktop filing system.Includes clear tabs and blank inserts to create customized tabs.Experience easier filing when you use colorful Pendaflex Glow Poly hanging folders with five tab positions to get organized.

Seven times stronger, the specially designed, reinforced rods resist bending and paper tearing. Perfect for filing bulky reference manuals, telephone books, or catalogs, The Smead TUFF hanging box bottom folder is the only hanging box bottom folder that comes with easy-slide tabs, a heavy-duty oversized tab that easily slides and secures into the position you choose..Extra-capacity hanging folder is made of steel gray 14 pt. paper stock.Heavy-duty oversized 1/3-cut assorted top tabs easily slide and secure into the position you choose.Features specially designed reinforced rods that are 40% stronger to resist bending and paper tearing.Expands up to 4" for maximum storage.Accommodates legal-size files and measures 9.25" x 14.75".18 hanging file folders per box.Contains 10% total recycled content.Made from 10% post-consumer content.Use to store bulky files, manuals, and booklets.Replaceable white tab inserts included.Made in the USA

Organize big projects by color with this five-tab green hanging file folder. The five assorted tabs offer a variety of filing options, helping you find specific documents quickly for maximum efficiency, while the expandable design accommodates large documents easily. This Staples Eco-ID five-tab legal-size green hanging file folder features heavy-duty paper construction to withstand constant use and extend the lifespan of your files..Standard green hanging folder made of tea- resistant paper stock with durable coated hooks.Five top-position tabs allow you to customize your files.File folder tabs are detachable.Holds legal-size papers and files.Hanging file folder will fit in a file drawer or desktop filing system.25 file folders per box.Made from 95% reused and recycled components.Paper point thickness: 12.5.Includes tabs and inserts.This item qualifies for an Eco-ID™ mark because it's earned one or more sustainability certifications. To learn more about how your organization can get even greener, visit our Sustainability Center https://www.staples.com/sbd/cre/marketing/sustainability-center/.Meets or exceeds SFI standard.Customize your filing system for quick access to documents with this Staples Eco-ID five-tab legal-size green hanging file folder.

The U Brands U-Eco poly hanging file folders offer a sustainable and stylish solution for organizing your documents. Made of tear- and water-resistant wheat straw poly that is acid- and PVC-free, these letter-size folders feature white metal hanging rods for sturdy storage. Each folder includes 100% recycled plastic tabs and paper inserts for easy labeling and retrieval. The set includes six colors for effortless color-coding and comes packaged in a recycled drop-shippable packaging..Hanging file folders made of tear- and water-resistant wheat straw poly in six unique colors for effortless color-coding.Each folder includes 100% recycled plastic tabs and paper inserts for easy labeling and retrieval.Intended to hold standard letter-size (8.5" x 11") paper.12 file folders per pack

Organize documents with these hanging file folders. These folders feature special strips on their edges to guard against tearing. The interiors of these folders have a lighter color than their exteriors, which helps prevent documents from being misfiled. Each box of Pendaflex reinforced hanging file folders comes with a label sheet and tabs to help users separate their items..Green reinforced paper stock hanging folders for general or color-coded filing.Poly-reinforced top edge and bottom fold provide added durability.Five tab positions allow you to customize your files.Accommodates legal-size papers and files.Hanging file box fits in a file drawer or desktop filing system.Includes a printable label sheet and 25 clear 1/5-cut tabs.Lighter interior helps prevent time-wasting misfiles.Contains 25 file folders per box.Made in the USA.File important documents accurately with these Pendaflex reinforced bright green hanging file folders with five tab positions.

Designed for durability and style, this set of 12 letter-sized folders (12.8" W x 9.3" H) in Twilight colors is built to keep your documents tidy and easily accessible. Constructed from tear- and water-resistant poly material, these folders are 5 times stronger than their paper counterparts, offering a reliable solution for daily use. The 1/2" expansion accommodates up to 125 sheets, while the durable coated metal rod tips ensure smooth and hassle-free sliding in file cabinets and hanging organizers. Equipped with repositionable 1/5-cut clear poly tabs and replaceable white inserts, these folders simplify labeling for quick and efficient document retrieval. The elegant colors not only brighten your workspace but also enable effective color-coded organization, saving you time and effort. Perfect for organizing a variety of materials such as bills, school assignments, client files, or vehicle records, these folders are a dependable and stylish addition to any filing system. Choose Smead for efficient and reliable document organization – over a century of heritage, craftsmanship, and innovation..12.8" x 9.3" poly plastic hanging  file folders, 12 count.0.5" expansion accommodates up to 125 sheets of standard 8.5" x 11" letter-sized paper.Assorted Twilight colors for effortless color-coding and easy retrieval.Adjustable 1/5-cut tabs provide 5 positions for labeling and identification; includes 12 reusable plastic tabs and 12 blank white paper inserts.Durable metal rods.5 times stronger and more durable than similar paper items; tear- and water-resistant.Streamline your filing process with Smead Poly Plastic Hanging File Folders.

Get the convenience of a hanging folder with the functionality of a classification folder by using this Smead pressboard hanging classification file folder. The SafeSHIELD fastener helps secure your documents while preventing rips and tears, and each folder expands 2 inches to handle bulky files. This Smead hanging classification folder features a 2/5-cut tab, so there's plenty of room for labeling..Blue pressboard folders hold up to wear and tear.Accommodates letter-size papers and files.2" expansion to hold several pages at once.Made from 50% recycled material with at least 30% post-consumer material.Avoid finger cuts and paper rips with this Smead FasTab pressboard 2-inch-expansion 2/5-tab letter-sized blue hanging classification file folder.

Designed for durability and style, this set of 12 letter-sized folders (12.8" W x 9.3" H) in Dawn colors is built to keep your documents tidy and easily accessible. Constructed from tear- and water-resistant poly material, these folders are 5 times stronger than their paper counterparts, offering a reliable solution for daily use. The 1/2" expansion accommodates up to 125 sheets, while the durable coated metal rod tips ensure smooth and hassle-free sliding in file cabinets and hanging organizers. Equipped with repositionable 1/5-cut clear poly tabs and replaceable white inserts, these folders simplify labeling for quick and efficient document retrieval. The elegant colors not only brighten your workspace but also enable effective color-coded organization, saving you time and effort. Perfect for organizing a variety of materials such as bills, school assignments, client files, or vehicle records, these folders are a dependable and stylish addition to any filing system. Choose Smead for efficient and reliable document organization – over a century of heritage, craftsmanship, and innovation..12.8" x 9.3" poly plastic hanging  file folders, 12 count.0.5" expansion accommodates up to 125 sheets of standard 8.5" x 11" letter-sized paper.Assorted Dawn colors for effortless color-coding and easy retrieval.Repositionable 1/5-cut tabs provide 5 positions for labeling and identification; includes 12 reusable plastic tabs and 12 blank white paper inserts.Durable metal rods.5 times stronger and more durable than similar paper items; tear- and water-resistant.Streamline your filing process with Smead Poly Plastic Hanging File Folders.

Maintain an efficient filing system with this five-tab letter-size hanging file folder. The bright hue works perfectly for color-coding files for quick identification, and slotted tops let you position the tabs left, right or center for easy viewing. Each folder in this 25-count box of Staples five-tab letter-size yellow hanging file folders features durable paper construction to resist tearing caused by frequent handling..Colored hanging file folder made of tear-resistant yellow material with durable coated hooks.Five top-position tabs allow you to customize your files.File folder tabs are detachable.Holds letter-size papers and files.Hanging file folder will fit in a file drawer or desktop filing system.25 file folders per box.Paper point thickness: 10.5.Includes tabs and inserts.Color-code client files and business documents with this Staples five-tab letter-size yellow hanging file folder.

Retrieve documents quickly from these standard green hanging file folders. Three repositionable tabs offer quick reference and easy viewing, and durable paper stock provides strength to prevent tearing. The ample folders are sized perfectly to accommodate letter-size papers and files and feature coated hangers and reinforced tabs for frequent and lasting use. This box of Staples reinforced letter-size standard green hanging file folders includes 25 units to suit your organization and filing needs..Comes in standard green color and is made of 11-point paper stock with 126# basis weight for durability.Three assorted-position top tabs allow for ample space for labeling to keep your files organized.File folder tabs are detachable and tear-resistant.Letter-size folder easily holds important files.25 folders per box.Made from 100% reused and recycled components.Includes tabs and inserts.This item qualifies for an Eco-ID mark because it's earned one or more sustainability certifications. To learn more about how your organization can get even greener, visit our Sustainability Center https://www.staples.com/sbd/cre/marketing/sustainability-center/.Create an efficient filing system with these Staples reinforced letter-size standard green hanging file folders.

Keep paperwork in order with this 25-count box of blue hanging file folders. Plastic markers let you place the tabs in five different positions for simple organization, and paper inserts allow customized labels for easy document identification. The coated hangers on this Staples five-tab letter-size blue hanging file folder move smoothly along file drawer rails for quick access..Colored hanging file folder made of tear-resistant blue material with durable coated hooks.Five top-position tabs allow you to customize your files.File folder tabs are detachable.Holds letter-size papers and files.Hanging file folder will fit in a file drawer or desktop filing system.25 file folders per box.Paper point thickness: 10.5.Includes tabs and inserts.Add some color to your filing system with this box of Staples five-tab letter-size blue hanging file folders.

Organize documents with these hanging file folders. These folders feature special strips on their edges to guard against tearing. The interiors of these folders have a lighter color than their exteriors, which helps prevent documents from being misfiled. Strong rods with longer plastic hooks and built-in tension springs ensure these Pendaflex legal-size hanging folders easily slide and stay on track in your file cabinet..Blue reinforced extra capacity paper stock folders hold up to wear and tear.Super-strong hanging rod features longer plastic hooks with built in tension springs.Five tab positions allow you to customize your files.Accommodates legal-size papers and files.Scored for 2" expansion to hold several pages at once.Hanging file box fits in a file drawer or desktop filing system.Side panels protect papers and won't catch on the rail when pulling files out of the drawer.Includes clear tabs and blank inserts.Contains 25 folders per box.Lifetime manufacturer limited warranty.File important documents accurately with these Pendaflex SureHook reinforced blue hanging file folders with five tab positions.

Organize legal forms, loan documents and other papers with these standard-green hanging folders. The built-in tension springs allow for files to slide along rails smoothly, while the sturdy hanging rods and hooks offer enhanced durability. These Pendaflex SureHook legal-size green reinforced hanging folders feature poly strips on the tops and bottoms, protecting against ripping, splitting and other damage..Folders are made of green paper stock.Poly-reinforced top edge and bottom fold provide added durability.Five tab positions allow you to customize your files.Accommodates legal-size papers and files.Super-strong SureHook rods with built-in tension springs keep hanging folders gliding on the rails.Includes printable label sheet and 20 1/5-cut clear tabs.Two-tone folders prevent time-wasting misfiles.Contains 20 folders per box.Made in the USA.Enhance your filing system with this box of 20 Pendaflex SureHook legal-size 1/5-cut standard-green reinforced hanging folders.

Protect business documents against damage with these hanging file folders. The letter-size dimensions fit everyday office correspondence, while standard green color brings a cohesive look to big projects. Featuring a sturdy 12.5 paper point thickness construction, these Staples letter-size green hanging file folders stand up to wear and tear, and the five-tab position layout makes it easy to add labels..Comes in standard green color and is made of 12.5-point paper stock with 144# basis weight for durability.Five assorted-position top tabs provide ample space for labeling to keep your files organized.File folder tabs are detachable and tear-resistant.Letter-size folder easily holds important files.250 folders per carton.Includes tabs and inserts.Create an efficient filing system with this 250-count carton of Staples letter-size green hanging file folders.

Keep track of invoices and client documents with this box of standard green letter-size hanging file folders. Coated hangers glide along the rails of file drawers and desktop filing systems for convenient access, and the included tabs and paper inserts let you arrange folders for efficiency. This Staples five-tab letter-size hanging file folder is manufactured of 12.5-point paper stock for lasting durability..Standard green folder made of tear-resistant paper stock with durable coated hooks.Five top-position tabs allow you to customize your files.File folder tabs are detachable.Holds letter-size papers and files.Hanging file folder will fit in a file drawer or desktop filing system.25 file folders per box.Paper point thickness: 12.5.Includes tabs and inserts.Bring simple organization to your filing system with this Staples five-tab letter-size hanging file folder.

Give your office filing system an update with these hanging file folders. The versatile design accommodates legal-size pages to meet your filing needs, and the five assorted-position tab layout allows for custom labeling. Each folder features tear-resistant tabs to withstand regular handling. With durable construction and sturdy hooks, these Staples standard green 100% recycled legal-size hanging file folders provide added protection for important office documents..Comes in standard green color and is made of 11-point paper stock with 126# basis weight for durability.Five assorted-position top tabs provide ample space for labeling to keep your files organized.File folder tabs are detachable and tear-resistant.Legal-size folder for holding oversize documents without folding.25 folders per box.Made from 100% reused and recycled components.Includes tabs and inserts.Color-code project or client files with these Staples legal-size green 100% recycled hanging file folders.

Protect important paperwork with these hanging file folders. The thoughtful sizing accommodates legal-size documents to meet your unique filing needs, while the five assorted-position tabs let you create a customized labeling system. Sturdy paper construction and hooks withstand frequent use, making these Staples standard green five-tab hanging file folders a durable addition to your office..Comes in standard green and is made of 12.5-point paper stock with 144# basis weight for durability.Five assorted-position top tabs offer ample space for labeling to keep your files organized.File folder tabs are detachable; tear-resistant.Legal-size folder for holding oversize documents without folding.50 folders per box.Includes tabs and inserts.Safety Data Sheet.Simplify office filing tasks with these Staples standard green five-tab hanging file folders.

Pendaflex Easy view poly file folder with 1/3 cut top tabs features Easy view poly hanging folder with transparent design topped with color bar. Folder includes self-stick labels and has a dimension of 12.3" x 9.9" x 1.9"..Sheet size: Letter (8 1/2" x 11").# of tabs: 3.Folder material: Polypropylene.Tab cut: 1/3.Dimensions: 9 3/8"(H) x 11 3/4"(W).Tab position: Assorted.Features: Wear, tear and moisture resistant.See-through design provides instant visibility of contents, comes with self-stick blank labels.Each folder features color-coded tab to organize by category and prevent misfiles.Perfect for desktop use, blank white adhesive tab labels included.Acid free, sustainable forestry.Pendaflex Easy view poly file folder with 1/3 cut top tabs features see-through design that provides instant visibility of contents and constructed with strong polypropylene which resists wear, tear and moisture.

Pendaflex® Redrope letter size 3 1/2" expansion file pocket with swing hook for desktop use has rip-proof tape gussets that resist tearing and is made of manila fiber lined for double-thick durability..Expansion size: 3 1/2".Redrope.Material: Red fiber, manila.Premium reinforced with rip-proof tape at all main stress points.Hanging file folder type: Box bottom with sides.Red fiber material coated to resist water.Lining: Fully lined nylon reinforced gussets.Features water resistant, reinforced, rip resistant, acid free, moisture resistant.Extra reinforcements at gusset tops and bottom corners