Sturdy Boxes for Mailing

Efficiently pack and ship small items with SI Products Mailers/Shipping Boxes. Measuring 1.75" x 1.75" x 6", these durable kraft boxes are ideal for compact, lightweight shipments. Made from sturdy corrugated material, they provide reliable protection during transit. Each carton includes 500 boxes, making them a cost-effective solution for high-volume shipping needs..Package and protect small, lightweight products with this full line of Reverse Tuck Folding Cartons..These cartons have pye-lock tucks for positive locking and meet or exceed federal specification PPP-B-566..Made from 24 point, die-cut fibreboard..Shipped flat to save on shipping and storage.

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..12" x 6" x 6".Front locking tabs won't interfere with contents and provide a secure closure.Folds together in seconds, no tape needed.Strong 200#/ECT-32B white corrugated construction.Shipped flat for easy storage.Partners Brand Corrugated Mailers are super strong yet light-weight to save on postage.

Shipping boxes help ensure items are protected during shipping.The smaller depths on these cartons provide an ideal fit for shallow products..Perfect for shipping apparel, books, picture frames, artwork, mirrors and clothing..Boxes are manufactured from ECT-32 kraft corrugated..Cartons are sold in bundle quantities and ship flat to save on storage space and shipping.

Corrugated boxes are manufactured from strong ECT-32 kraft corrugated and are 100% recyclable. Boxes are sold in bundle or bale quantities. All cartons ship and store flat to save space. Constructed from strong 200#/32 ECT, kraft corrugated material..Quality standard strength industrial Corrugated Boxes..Manufactured from ECT-32 kraft corrugated..Corrugated boxes are recyclable.

Ideal for mailing, moving, shipping, and storing. Folded Box, easy to assemble..Mailing, moving and storage box.Brown, recyclable box.Made in U.S.A. with globally sourced materials.Dimensions: 16 in. x 16 in. x 12 in.

Measures 20" x 8" x 8" for reliable packing. Constructed from corrugated for strength and durability. Features 32 ECT stacking strength. Single Wall design adds extra protection. Finished in kraft for a clean look..Tall Corrugated Boxes are end loading for easy insertion and sealing..May be used in place of mailing tubes..Carton capacity is 2.8 cubic feet..Boxes are manufactured from ECT-32 kraft corrugated..Sold and shipped flat in bundle quantities.

Secure and compact, these 3" x 3" x 3" Kraft mailers/shipping boxes are perfect for shipping small, delicate items. Made from durable corrugated cardboard, each box provides reliable protection during transit. With 250 boxes per carton, they’re ideal for businesses looking to streamline their packaging process while maintaining a professional, eco-friendly appearance..Package and protect small, lightweight products with this full line of Reverse Tuck Folding Cartons..These cartons have pye-lock tucks for positive locking and meet or exceed federal specification PPP-B-566..Made from 24 point, die-cut fibreboard..Shipped flat to save on shipping and storage.

Looking to ship things out or store away items? Look for further than Scotch Brand Mailing Boxes. Easy to use and lightweight, these boxes make it easy for handling as you’re working to get your items packaged up. Scotch Brand Mailing Boxes are great for any task be it mailing, moving, shipping or storing. When you want to feel confident that you’re packing away your goods in a durable box, the quality of Scotch Brand has your back. Ship easy with the Scotch Brand Mailing Boxes..White mailing boxes are lightweight for easy handling.Constructed with strong, secure and durable paper board.Easy to assemble, making packing your items less of a chore.Ideal for a variety of packing tasks whether you’re looking to ship it off or stow away at home or in the office.Pre-printed with sender and receive address labels and a “Handle with Care” statement printed boldly in red print for easy viewing.Box is recyclable.Made in the U.S.A with globally sourced materials

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..Corrugated Mailers are super strong yet lightweight to save on postage..Perfect for shipping small, lightweight fragile items..Manufactured from ECT-32-B, white corrugated..These one-piece mailers fold together in seconds..Crush resistant mailers fold to provide double walls of protection on front and sides..No tape, glue or staples needed..Partners Brand Corrugated Mailers are super strong yet light-weight to save on postage.

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..Corrugated Mailers are super strong yet lightweight to save on postage..Perfect for shipping small, lightweight fragile items..Manufactured from ECT-32-B, white corrugated..These one-piece mailers fold together in seconds..Crush resistant mailers fold to provide double walls of protection on front and sides..No tape, glue or staples needed..Partners Brand Corrugated Mailers are super strong yet light-weight to save on postage.

The 7" x 9" Kraft Flat Mailer features closure that is quick and easy to use. Mailer includes rigid chipboard construction that protects contents from bending and crushing. Sold 100 per case..7" x 9".QuickStrip closure is quick and easy to use - simply remove strip and press to close.Rigid chipboard construction protects contents from bending and crushing.Convenient tear-tab opens easily without harming contents.Lightweight mailers reduces postage costs.Staples Brand 100% Satisfaction Guaranteed.Dimensions: 7" x 9".Manufactured from .028 kraft chipboard..Peel and seal closure with pull tear-strip for easy opening..Light-weight to save on postage..No additional stiffeners needed..Sold 100 per case..Self-Seal White Flat Mailers are strong to protect photos and documents during shipping.

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..Corrugated Mailers are super strong yet lightweight to save on postage..Perfect for shipping small, lightweight fragile items..Manufactured from ECT-32-B, white corrugated..These one-piece mailers fold together in seconds..Crush resistant mailers fold to provide double walls of protection on front and sides..No tape, glue or staples needed..Partners Brand Corrugated Mailers are super strong yet light-weight to save on postage.

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..Corrugated Mailers are super strong yet lightweight to save on postage..Perfect for shipping small, lightweight fragile items..Manufactured from ECT-32-B, white corrugated..These one-piece mailers fold together in seconds..Crush resistant mailers fold to provide double walls of protection on front and sides..No tape, glue or staples needed..Partners Brand Corrugated Mailers are super strong yet light-weight to save on postage.

Perfect for shipping apparel, books, picture frames, artwork, mirrors and clothing. Cartons are sold in bundle quantities and ship flat to save on storage space and shipping..The smaller depths on these cartons provide an ideal fit for shallow products..Perfect for shipping apparel, books, picture frames, artwork, mirrors and clothing..Boxes are manufactured from ECT-32 kraft corrugated..Cartons are sold in bundle quantities and ship flat to save on storage space and shipping..The smaller depths on these cartons provide an ideal fit for shallow products.

8" x 8" x 8", 48 ECT, Doublewall, Shipping Boxes. Keep your items secure and organized with these sturdy shipping boxes, designed for durability and efficient packing..Added protection ensures that your shipments arrive safe..Manufactured from heavy-duty ECT-48 kraft corrugated..Heavy-duty construction provides greater protection and stacking strength..Cartons are sold in bundle quantities and ship flat to save on storage space and shipping.

Corrugated boxes are manufactured from strong ECT-32 kraft corrugated and are 100% recyclable. Boxes are sold in bundle or bale quantities. All cartons ship and store flat to save space..Added protection ensures that your shipments arrive safe..Manufactured from heavy-duty ECT-48 kraft corrugated..Heavy-duty construction provides greater protection and stacking strength..Cartons are sold in bundle quantities and ship flat to save on storage space and shipping.

Shipping boxes help ensure items are protected during shipping.Wide openings along the length make these cartons easy to pack..For shipping long and narrow items such as wine bottles, umbrellas and carpet rolls..Long side opening..Long Boxes are manufactured from ECT-32, kraft corrugated..Sold and shipped flat in bundle quantities.

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..Kraft Corrugated Mailers are lightweight to save on postage..Perfect for shipping small, fragile items such as tools, glassware or products..Manufactured from ECT-32-B, kraft corrugated..Crush resistant mailers fold to provide double walls of protection on front and sides..These one-piece mailers fold together in seconds..No tape, glue or staples are needed..All sizes ship and store flat to save space..Partners Brand 6" x 6" x 2" Kraft Corrugated Mailers - Ideal for shipping small, light-weight fragile items

Shipping boxes help ensure items are protected during shipping.Quality standard strength industrial Corrugated Boxes..Manufactured from ECT-32 kraft corrugated..Corrugated boxes are recyclable.

The Partners Brand M874 oyster white 4" x 8" corrugated mailers is ideal to ship across light-weight fragile items safely. Featuring a crush-resistant design, it offers extra protection from damage with its double wall construction. It also eliminates p aper cuts as it comes with wave-rule edge. Its rectangle shape ensures that there is more space to store your items. This mailer comes in a size of 4"H x 8"W x 7"D. It can be shipped and stored flat to save space..Product Type: Corrugated Mailers.Oyster white colored corrugated construction.Dimensions: 4"H x 8"W x 7"D.Assembles in seconds without tape, glue or staples.The Partners Brand M874 oyster white 4" x 8" corrugated mailers is designed to offer an economical solution that simplifies all your packaging problems.

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..Corrugated Mailers are super strong yet lightweight to save on postage..Perfect for shipping small, lightweight fragile items..Manufactured from ECT-32-B, white corrugated..These one-piece mailers fold together in seconds..Crush resistant mailers fold to provide double walls of protection on front and sides..No tape, glue or staples needed..Partners Brand Corrugated Mailers are super strong yet light-weight to save on postage.

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..Corrugated Mailers are super strong yet lightweight to save on postage..Perfect for shipping small, lightweight fragile items..Manufactured from ECT-32-B, white corrugated..These one-piece mailers fold together in seconds..Crush resistant mailers fold to provide double walls of protection on front and sides..No tape, glue or staples needed..Partners Brand Corrugated Mailers are super strong yet light-weight to save on postage.

The Corrugated mailer in white color has strong corrugated 200#/ECT-32B construction. Corrugated mailer measures 9" x 6 1/2" x 2 3/4" and can be folded together in seconds without using tape. With a sturdy structure, they not only help in preventing the goods from damage, but they also make sure that their constituents are enclosed completely.The construction of our Protection Literature Mailers include the use of 32 ECT-B material, these are durable and reliable. They come in a pre-folded form that is easy to assemble and pack. On the oyster white color surface of these mailers, you can easily write down some information about the shipment or products. This is also the reason why these mailers are easy to identify from bulk shipments. We deliver these mailers flat and in bulk to save on shipping costs and storage space..The perfect fit for your literature piece without the expense of a custom carton..Quick assembly - No other supplies needed..Tabs fit snugly within cartons for a secure closure..Strong, ECT-32-B, white corrugated construction..Staples Corrugated mailer in white color measures 9" x 6 1/2" x 2 3/4" and offers ample storage space.

Shipping boxes help ensure items are protected during shipping.The smaller depths on these cartons provide an ideal fit for shallow products..Perfect for shipping apparel, books, picture frames, artwork, mirrors and clothing..Boxes are manufactured from ECT-32 kraft corrugated..Cartons are sold in bundle quantities and ship flat to save on storage space and shipping.

The 6" x 6" Kraft Flat Mailer features closure that is quick and easy to use. Mailer includes rigid chipboard construction that protects contents from bending and crushing. Sold 200 per case..6" x 6".QuickStrip closure is quick and easy to use - simply remove strip and press to close.Rigid chipboard construction protects contents from bending and crushing.Convenient tear-tab opens easily without harming contents.Lightweight mailers reduces postage costs.Staples Brand 100% Satisfaction Guaranteed.Dimensions: 6" x 6".Manufactured from .028 kraft chipboard..Peel and seal closure with pull tear-strip for easy opening..Light-weight to save on postage..No additional stiffeners needed..Sold 200 per case..Self-Seal White Flat Mailers are strong to protect photos and documents during shipping.

Designed for efficiency and protection, these 4" x 1.63" x 4" Kraft mailers/shipping boxes are ideal for securely packaging small, flat, or narrow items. Constructed from sturdy corrugated cardboard, they offer reliable durability during shipping and handling. With 500 boxes per carton, they’re a cost-effective solution for high-volume mailing needs while maintaining a clean, professional look..Package and protect small, lightweight products with this full line of Reverse Tuck Folding Cartons..These cartons have pye-lock tucks for positive locking and meet or exceed federal specification PPP-B-566..Made from 24 point, die-cut fibreboard..Shipped flat to save on shipping and storage.

The Partners Brand M1433 oyster white 3" x 14" corrugated mailers is specially designed to ship light-weight fragile items. It features a crush-resistant design that offers added protection with its double walls and comes with wave-rule edge to eliminat e paper cuts. Its rectangle shape ensures that it offers the best fit for your item. This mailer measures 3"H x 14"W x 3"D in size. It is shipped and stored flat to save space..Corrugated Mailers are super strong yet lightweight to save on postage..Perfect for shipping small, lightweight fragile items..Manufactured from ECT-32-B, white corrugated..These one-piece mailers fold together in seconds..Crush resistant mailers fold to provide double walls of protection on front and sides..No tape, glue or staples needed..The Partners Brand M1433 oyster white 3" x 14" corrugated mailers provides a smart way to ship and store all your important documents in the easiest way possible.

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..Corrugated Mailers are super strong yet lightweight to save on postage..Perfect for shipping small, lightweight fragile items..Manufactured from ECT-32-B, white corrugated..These one-piece mailers fold together in seconds..Crush resistant mailers fold to provide double walls of protection on front and sides..No tape, glue or staples needed..Partners Brand Corrugated Mailers are super strong yet light-weight to save on postage.

Transport important items wherever they're needed quickly with this Happy Mail 8" x 6" by 6", 0.17 cu. ft. shipping box. The kraft rectangular shipping box with white polka-dot pattern comes wax-coated..Decorative shipping box is perfect for storing and transporting goods.Capacity: 0.17 cu. ft..Kraft rectangular shipping box with white polka-dot pattern comes wax-coated.Wax coating increases box strength and repels moisture.Assembled box dimensions: 8" x 6" x 6"

Mail Jacket mailer is strong, rigid paperboard packaging made of high-quality, hand-sorted, recycled materials. It is constructed with a bottom fold for superior strength. The pressure-sensitive, self-sealing adhesive closure system is reliable, tamper-evident, and easy to use..Overall mailer dimensions: 7" x 9".Features a self-sealing closure for easy and secure mailing.Comes in white and made of paperboard.Tear-off strip opens easily without harming contents.100 mailers per carton.Made of 100% recycled content, 95% of which is post-consumer recycled.This product is manufactured by a certified MBE (minority owned business).This product is manufactured by a certified WBE (women owned business)

15" x 10" x 5" Shipping Boxes. Keep your items secure and organized with these sturdy shipping boxes, designed for durability and efficient packing..The smaller depths on these cartons provide an ideal fit for shallow products..Perfect for shipping apparel, books, picture frames, artwork, mirrors and clothing..Boxes are manufactured from ECT-32 kraft corrugated..Cartons are sold in bundle quantities and ship flat to save on storage space and shipping.

Measures 24" x 6" x 6" for reliable packing. Constructed from corrugated for strength and durability. Features 32 ECT stacking strength. Single Wall design adds extra protection. Finished in kraft for a clean look..Have your product stand out and get noticed..Applied labels and special shipping instructions stand out against the crisp white background..Preserve shipment appearance by sealing white boxes with clear carton sealing tape or white paper tape..Same strong ECT-32 construction as regular kraft cartons.

Safely ship large, flat items with these 14.5" x 20" Self-Sealing Fiberboard Mailers, #7, in Brown. Constructed from rigid fiberboard to prevent bending and damage, these mailers are ideal for documents, photos, and other important materials. The self-sealing adhesive strip offers a secure, tamper-evident closure, and each carton includes 250 mailers—perfect for high-volume shipping in office, retail, or e-commerce environments..Great for mailing items that do not require cushioning.Lightweight material helps save on postage.#7 Mailer

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..Kraft Corrugated Mailers are lightweight to save on postage..Perfect for shipping small, fragile items such as tools, glassware or products..Manufactured from ECT-32-B, kraft corrugated..Crush resistant mailers fold to provide double walls of protection on front and sides..These one-piece mailers fold together in seconds..No tape, glue or staples are needed..All sizes ship and store flat to save space..All ship and store flat to save space..Partners Brand 3" x 3" x 2" Corrugated Mailers - Ideal for shipping small, light-weight fragile items

21" x 6" x2" Corrugated Mailers. Corrugated Mailers are super strong yet light-weight to save on postage. Perfect for shipping small, light-weight fragile items. Corrugated Mailers are manufactured from 200#/ECT32-B oyster white corrugated. Crush resistant mailer folds to provide double walls of protection on front and sides. Unique "Wave-Rule" edge virtually eliminates paper cuts. These one piece mailers fold together in seconds. No tape, glue or staples needed. All ship and store flat to save space..Corrugated Mailers are super strong yet light-weight to save on postage..Perfect for shipping small, light-weight fragile items..Corrugated Mailers are manufactured from 200#/ECT-32-B white corrugated..Crush resistant mailer folds to provide double walls of protection on front and sides..Unique "Wave-Rule" edge virtually eliminates paper cuts..Dimensions: 21"L x 6"W x 2"H.Corrugated Mailers are super strong yet light-weight to save on postage.

Shipping boxes help ensure items are protected during shipping.The smaller depths on these cartons provide an ideal fit for shallow products..Perfect for shipping apparel, books, picture frames, artwork, mirrors and clothing..Boxes are manufactured from ECT-32 kraft corrugated..Cartons are sold in bundle quantities and ship flat to save on storage space and shipping.

The Partners Brand M531 oyster white 1" x 5" corrugated mailers is specially designed to ship light-weight fragile items. It features a crush-resistant design that offers added protection with its double walls and comes with wave-rule edge to eliminate paper cuts. Its rectangle shape ensures that there is more space to store your items. This mailer measures 1"H x 5"W x 3"D in size. It is shipped and stored flat to save space..Corrugated Mailers are super strong yet lightweight to save on postage..Perfect for shipping small, lightweight fragile items..Manufactured from ECT-32-B, white corrugated..These one-piece mailers fold together in seconds..Crush resistant mailers fold to provide double walls of protection on front and sides..No tape, glue or staples needed..The Partners Brand M531 oyster white 1" x 5" corrugated mailers is an economical option to efficiently ship and store all your important documents.

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..Corrugated Mailers are super strong yet lightweight to save on postage..Perfect for shipping small, lightweight fragile items..Manufactured from ECT-32-B, white corrugated..These one-piece mailers fold together in seconds..Crush resistant mailers fold to provide double walls of protection on front and sides..No tape, glue or staples needed..Partners Brand Corrugated Mailers are super strong yet light-weight to save on postage.

Measures 13" x 9" x 6" for reliable packing. Constructed from corrugated for strength and durability. Features 32 ECT stacking strength. Single Wall design adds extra protection. Finished in kraft for a clean look..These cartons were designed to fit the most popular paper sizes..Prevent damage to forms, catalogs, letterhead and other printed material by using the right size carton..Boxes are manufactured from ECT-32 kraft corrugated.

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..Corrugated Mailers are super strong yet lightweight to save on postage..Perfect for shipping small, lightweight fragile items..Manufactured from ECT-32-B, white corrugated..These one-piece mailers fold together in seconds..Crush resistant mailers fold to provide double walls of protection on front and sides..No tape, glue or staples needed..Partners Brand Corrugated Mailers are super strong yet light-weight to save on postage.

These sturdy shipping boxes measure 24" x 18" x 12" and are constructed from 32 ECT kraft brown cardboard material. Designed to meet most mailing and shipping carrier specifications. Pack of 10..Quality standard strength industrial Corrugated Boxes..Manufactured from ECT-32 kraft corrugated..Corrugated boxes are recyclable..3.0 Cubic foot capacity.

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..Kraft Corrugated Mailers are lightweight to save on postage..Perfect for shipping small, fragile items such as tools, glassware or products..Manufactured from ECT-32-B, kraft corrugated..Crush resistant mailers fold to provide double walls of protection on front and sides..These one-piece mailers fold together in seconds..No tape, glue or staples are needed..All sizes ship and store flat to save space..The BOX Kraft Paper 2"H x 4"W x 4"L Corrugated Mailers, Brown, available in a pack of 50, sport a corrugated construction and are sturdy enough to last through multiple uses.

The Partners Brand M1073K brown 3" x 10" kraft corrugated mailers is ideal to ship across light-weight fragile items safely. Featuring a crush-resistant design, it offers extra protection from damage with its double wall construction. It also eliminates paper cuts as it comes with wave-rule edge. Its rectangle shape ensures that it offers the best fit for your item. This mailer comes in a size of 3"H x 10"W x 7"D. It can be shipped and stored flat to save space..Kraft Corrugated Mailers are lightweight to save on postage..Perfect for shipping small, fragile items such as tools, glassware or products..Manufactured from ECT-32-B, kraft corrugated..Crush resistant mailers fold to provide double walls of protection on front and sides..These one-piece mailers fold together in seconds..No tape, glue or staples are needed..All sizes ship and store flat to save space..The Partners Brand M1073K brown 3" x 10" kraft corrugated mailers offers an economical and hassle-free solution.

Corrugated boxes are manufactured from strong ECT-32 kraft corrugated and are 100% recyclable. Boxes are sold in bundle or bale quantities. All cartons ship and store flat to save space..The smaller depths on these cartons provide an ideal fit for shallow products..Perfect for shipping apparel, books, picture frames, artwork, mirrors and clothing..Boxes are manufactured from ECT-32 kraft corrugated..Cartons are sold in bundle quantities and ship flat to save on storage space and shipping.

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..Corrugated Mailers are super strong yet lightweight to save on postage..Perfect for shipping small, lightweight fragile items..Manufactured from ECT-32-B, white corrugated..These one-piece mailers fold together in seconds..Crush resistant mailers fold to provide double walls of protection on front and sides..No tape, glue or staples needed..Partners Brand Corrugated Mailers are super strong yet light-weight to save on postage.

The Partners Brand M731 oyster white 1" x 7" corrugated mailers is specially designed to ship light-weight fragile items. It features a crush-resistant design that offers added protection with its double walls and comes with wave-rule edge to eliminate paper cuts. Its rectangle shape gives you more room to store your items. This mailer measures 1"H x 7"W x 3"D in size. It is shipped and stored flat to save space..Product Type: Corrugated Mailers.Oyster white colored corrugated construction.Dimensions: 1"H x 7"W x 3"D.Assembles in seconds without tape, glue or staples.The Partners Brand M731 oyster white 1" x 7" corrugated mailers is designed to offer an economical solution that simplifies all your packaging problems.

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..Corrugated Mailers are super strong yet lightweight to save on postage..Perfect for shipping small, lightweight fragile items..Manufactured from ECT-32-B, white corrugated..These one-piece mailers fold together in seconds..Crush resistant mailers fold to provide double walls of protection on front and sides..No tape, glue or staples needed..Partners Brand Corrugated Mailers are super strong yet light-weight to save on postage.

The 9" x 6" Self-Seal Side-Opening White Flat Mailers are made from strong chipboard and require no additional stiffeners to protect your documents. Sold 200 per Case..Strong chipboard mailers protect photos and documents during shipping..Manufactured from white chipboard..Lightweight to save on postage..No additional stiffeners needed..Side loading style makes inserting and retrieving documents easier..Peel-and-seal closure..Pull tab tear strip for easy opening..Self-Seal White Flat Mailers are strong to protect photos and documents during shipping.