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Item: 947437
Model: M431
Price is $41.19
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 949052
Model: MFL14144
Price is $241.39
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 2301198
Model: M1222
Price is $40.79
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 2301079
Model: ML873
Price is $89.89
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 2301161
Model: M14112BFK
Price is $137.79
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 414171
Model: MIBMS500
Price is $99.09
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 420686
Model: M1293
Price is $132.19
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 1578412
Model: MFL16126
Price is $243.99
Unit of measure 25/Bundle
Free delivery by Wed, Aug 12
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Item: 1578507
Model: M14112BF
Price is $141.59
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 2301166
Model: MLR1294K
Price is $139.99
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 1499870
Model: M632K
Price is $48.79
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 1499819
Model: ML12123
Price is $107.89
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 1578483
Model: M1442
Price is $55.09
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 1499859
Model: M432K
Price is $33.89
Unit of measure 50/Bundle
Delivery by Wed, Aug 12
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Item: 2301144
Model: ML16123
Price is $166.69
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 2301173
Model: M663K
Price is $100.69
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 947468
Model: M962BFK
Price is $89.29
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 414168
Model: M1292
Price is $68.29
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 696615
Model: MFL18123
Price is $116.89
Unit of measure 25/Bundle
Free delivery by Wed, Aug 12
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Item: 558951
Model: M843
Price is $47.79
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 947469
Model: M963
Price is $129.09
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 558923
Model: M732
Price is $34.39
Unit of measure 50/Bundle
Delivery by Wed, Aug 12
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Item: 630472
Model: MFL18124
Price is $117.29
Unit of measure 25/Bundle
Free delivery by Wed, Aug 12
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Item: 558954
Model: M933
Price is $44.99
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 558904
Model: M443
Price is $40.39
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 947272
Model: MFL24186
Price is $341.99
Unit of measure 25/Bundle
Free delivery by Wed, Aug 12
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Item: 831795
Model: M662
Price is $79.69
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 414173
Model: M962
Price is $66.89
Unit of measure 50/Carton
Free delivery by Wed, Aug 12
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Item: 947452
Model: M852
Price is $64.59
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 949041
Model: M17115
Price is $225.59
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 947451
Model: M822
Price is $34.49
Unit of measure 50/Bundle
Delivery by Wed, Aug 12
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Item: 2301077
Model: ML881
Price is $60.89
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 947440
Model: M652
Price is $72.59
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 949050
Model: MFL1293
Price is $153.49
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 948954
Model: M36241
Price is $163.39
Unit of measure 20/Bundle
Free delivery by Wed, Aug 12
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Item: 949035
Model: M1491
Price is $64.49
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 947494
Model: ML1291
Price is $69.69
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 1499846
Model: MFL13102K
Price is $108.99
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 947433
Model: M1BKXL
Price is $87.69
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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14" x 4" x 4" Corrugated Mailers, 50/Bundle (M1444) is Out of stock
Item: 831821
Model: M1444
Price is $98.99
Unit of measure 50/Bundle
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Price is $99,999.99
Free delivery
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Price is $49.99, Regular price was $83.19, You save 39%
Unit of measure 5000/Carton Price per unit $5.00/Ream
Free delivery by Thu, Jul 30
30-min pickup
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Price is $39.99, Regular price was $71.59, You save 44%
Unit of measure 4000/Carton Price per unit $5.00/Ream
Free delivery by Thu, Jul 30
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Astrobrights Colored Paper, 24 lbs., 8.5" x 11", Assorted Solar Sparks Colors, 100 Sheets/Ream (91530) is In-store only
Price is $9.19
Unit of measure 100/Pack
See alternate delivery items
30-min pickup
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Price is $0.50, Regular price was $1.59, You save 68%
Unit of measure 24/Box
Delivery by Thu, Jul 30
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Protect your packages from the rigors of shipping by sending them in corrugated mailers. These mailers are boxes and large envelopes made of thick fiberboards. The walls of a corrugated mailer have a fluted inner board covered by one or two flat linerboards. Flutes are S-shaped arches that give a corrugated box its impressive structural strength. Staples® offers a wide selection of these sturdy, protective shipping boxes and envelopes.
Choosing the Right Corrugated Mailer for Your Package
The size of the item you wish to send will determine the type of corrugated mailer you need. You can send slim and small books as well as magazines, photos, and letters in corrugated envelopes. These corrugated document mailers ship flat and are stiff enough to get printed pages to their destinations without creases and are a strong alternative to plain window envelopes. For bigger items, you need larger mailers like corrugated boxes. These are ideal for shipping fragile items and bulky goods. They come in different sizes and styles. Their fluted walls provide ample stacking strength while insulating their contents from moisture, extreme temperatures, and physical damage.
Consider Board Strength When Comparing Corrugated Mailers
Manufacturers use different tests to determine the strengths of corrugated boxes. The most popular are the burst test and ECT or edge crust test. The wall thickness of a box determines its ECT score and burst strength. These then determine the maximum load capacity of the box. A single-walled corrugated mailer has a fluted layer between two linerboards. Boxes with burst strength ratings between 200 and 275 and ECT values between 23 and 55 pounds per square inch fall in this category. Double-walled mailers have two corrugated layers. They are stronger and offer better crush resistance. They can ship heavier items and come in strengths ranging from 200 to 600 pounds while scoring 42 to 82 on edge crush tests. Triple-walled boxes have three layers and can handle significantly higher weights. They are usually large containers for shipping heavy loads stacked on pallets.
What Is the Difference Between Corrugated and Cardboard Boxes?
While corrugated mailers feature fiberboard construction, cardboard boxes are made of paperboard. Regardless of its thickness, cardboard is a paper product while manufacturers use wood chips and shavings for corrugated boxes. A cardboard box also does not have an intermediate layer or fluted core.
What Are the Different Types of Corrugated Box Fluting?
There are five common types of corrugated box fluting designated by the letters: A, B, C, E, and F. An A-flute box has 30 to 36 flutes per linear foot with each one measuring 0.188 inches. B-flute boxes have 44 to 50 flutes that are 0.125 inches thick. Boxes with C flutes are the most common. Their flutes are intermediate in density and thickness between A and B flutes. E and F-flute boxes have more flutes but in much smaller sizes. Pizza boxes, sandwich packaging, and corrugated document mailers fall into these categories.
Are Linerboards Made of Chipboard?
No. Linerboards are usually made of recycled paper and kraft paperboard. Those made of kraft paper often appear brown. They can also come in white if made of bleached kraft paper. Linerboards do come in other colors besides white and brown.
Choosing the Right Corrugated Mailer for Your Package
The size of the item you wish to send will determine the type of corrugated mailer you need. You can send slim and small books as well as magazines, photos, and letters in corrugated envelopes. These corrugated document mailers ship flat and are stiff enough to get printed pages to their destinations without creases and are a strong alternative to plain window envelopes. For bigger items, you need larger mailers like corrugated boxes. These are ideal for shipping fragile items and bulky goods. They come in different sizes and styles. Their fluted walls provide ample stacking strength while insulating their contents from moisture, extreme temperatures, and physical damage.
Consider Board Strength When Comparing Corrugated Mailers
Manufacturers use different tests to determine the strengths of corrugated boxes. The most popular are the burst test and ECT or edge crust test. The wall thickness of a box determines its ECT score and burst strength. These then determine the maximum load capacity of the box. A single-walled corrugated mailer has a fluted layer between two linerboards. Boxes with burst strength ratings between 200 and 275 and ECT values between 23 and 55 pounds per square inch fall in this category. Double-walled mailers have two corrugated layers. They are stronger and offer better crush resistance. They can ship heavier items and come in strengths ranging from 200 to 600 pounds while scoring 42 to 82 on edge crush tests. Triple-walled boxes have three layers and can handle significantly higher weights. They are usually large containers for shipping heavy loads stacked on pallets.
What Is the Difference Between Corrugated and Cardboard Boxes?
While corrugated mailers feature fiberboard construction, cardboard boxes are made of paperboard. Regardless of its thickness, cardboard is a paper product while manufacturers use wood chips and shavings for corrugated boxes. A cardboard box also does not have an intermediate layer or fluted core.
What Are the Different Types of Corrugated Box Fluting?
There are five common types of corrugated box fluting designated by the letters: A, B, C, E, and F. An A-flute box has 30 to 36 flutes per linear foot with each one measuring 0.188 inches. B-flute boxes have 44 to 50 flutes that are 0.125 inches thick. Boxes with C flutes are the most common. Their flutes are intermediate in density and thickness between A and B flutes. E and F-flute boxes have more flutes but in much smaller sizes. Pizza boxes, sandwich packaging, and corrugated document mailers fall into these categories.
Are Linerboards Made of Chipboard?
No. Linerboards are usually made of recycled paper and kraft paperboard. Those made of kraft paper often appear brown. They can also come in white if made of bleached kraft paper. Linerboards do come in other colors besides white and brown.