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Item: 947435
Model: M2BKXL
Price is $122.89
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 1578497
Model: MFL19123K
Price is $125.49
Unit of measure 25/Bundle
Free delivery by Wed, Aug 12
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Item: 426634
Model: MFJKRAFT
Price is $122.19
Unit of measure 25/Bundle
Free delivery by Wed, Aug 12
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Item: 558931
Model: M553
Price is $47.49
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 630531
Model: M993
Price is $89.19
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: 1499846
Model: MFL13102K
Price is $108.99
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 414166
Model: M1184
Price is $100.49
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 414167
Model: M3RB
Price is $67.99
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 559024
Model: M544
Price is $50.39
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 630521
Model: M13102
Price is $126.39
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 949026
Model: M1181
Price is $56.79
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: 1578466
Model: ML883K
Price is $84.89
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 2301076
Model: ML882
Price is $58.69
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 947454
Model: M855
Price is $99.19
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: 946855
Model: MCC6
Price is $95.29
Unit of measure 10/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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Item: 1578448
Model: M731
Price is $40.99
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 1578447
Model: M741
Price is $48.19
Unit of measure 50/Bundle
Free 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: 947092
Model: M24246
Price is $179.99
Unit of measure 20/Bundle
Free delivery by Wed, Aug 12
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Item: 2301142
Model: ML872
Price is $69.49
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 2301338
Model: ML18182
Price is $95.39
Unit of measure 25/Bundle
Free delivery by Wed, Aug 12
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Item: 24323811
Model: M854K
Price is $67.99
Unit of measure 50/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: 949057
Model: ML1181
Price is $74.09
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 1578410
Model: MFL1081K
Price is $86.99
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 1578471
Model: ML17112K
Price is $68.99
Unit of measure 25/Bundle
Free delivery by Wed, Aug 12
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Item: 1578484
Model: M1433
Price is $53.99
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 1578494
Model: ML12104K
Price is $152.89
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 2301169
Model: MLR1184
Price is $136.79
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 2301493
Model: M40306
Price is $272.89
Unit of measure 20/Bundle
Free delivery by Wed, Aug 12
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Item: 558894
Model: M322
Price is $26.79
Unit of measure 50/Bundle
Delivery by Wed, Aug 12
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Item: 833122
Model: MFL1294
Price is $137.99
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 831813
Model: M755
Price is $82.59
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 947424
Model: M1291K
Price is $59.09
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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Item: 831800
Model: MFL1292
Price is $97.89
Unit of measure 50/Bundle
Free delivery by Wed, Aug 12
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5" x 5" x 5" Corrugated Mailers, 50/Bundle (M555) is Out of stock
Item: 831799
Model: M555
Price is $62.89
Unit of measure 50/Bundle
Add to list
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Price is $99,999.99
Free delivery
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Price is $17.39
Unit of measure 100/Pack
Delivery by Fri, Aug 07
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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 Next-Day eligible by tomorrow
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Price is $62.09
Unit of measure 250/Pack
Free delivery by Wed, Aug 12
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Price is $0.50, Regular price was $1.59, You save 68%
Unit of measure 24/Box
Next-Day Delivery by tomorrow
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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.