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Item: 831793
Model: M1055
Price is $99.89
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 947087
Model: M20161
Price is $61.89
Unit of measure 20/Bundle
Free delivery by Thu, May 21
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Item: 630521
Model: M13102
Price is $126.39
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 1578450
Model: M641
Price is $45.99
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 558902
Model: M433
Price is $25.99
Unit of measure 50/Bundle
Delivery by Thu, May 21
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Item: 414173
Model: M962
Price is $66.89
Unit of measure 50/Carton
Free delivery by Thu, May 21
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Item: 1578453
Model: M2422
Price is $62.49
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 1578454
Model: M24182BF
Price is $235.29
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 949022
Model: M10101
Price is $55.49
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 2301166
Model: MLR1294K
Price is $139.99
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 414165
Model: M1182D
Price is $84.89
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 948951
Model: M201614
Price is $50.89
Unit of measure 20/Bundle
Free delivery by Thu, May 21
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Item: 831822
Model: M1266
Price is $103.79
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 947456
Model: M865
Price is $122.09
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 558895
Model: M331
Price is $22.49
Unit of measure 50/Bundle
Delivery by Thu, May 21
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Item: 558938
Model: MLRBC
Price is $47.29
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 420689
Model: M1182
Price is $84.19
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 1499870
Model: M632K
Price is $48.79
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 1578440
Model: M9621BF
Price is $79.29
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 420688
Model: M1162
Price is $77.49
Unit of measure 50/Carton
Free delivery by Thu, May 21
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Item: 2301076
Model: ML882
Price is $58.69
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 24323811
Model: M854K
Price is $65.99
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 558898
Model: M333
Price is $24.09
Unit of measure 50/Bundle
Delivery by Thu, May 21
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Item: 558955
Model: M943
Price is $40.49
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 947501
Model: ML961K
Price is $54.29
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 558947
Model: M832
Price is $27.39
Unit of measure 50/Bundle
Delivery by Thu, May 21
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Item: 2301198
Model: M1222
Price is $40.79
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 947473
Model: M966
Price is $144.39
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 558964
Model: M1044
Price is $56.59
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 1578509
Model: M1262
Price is $73.99
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 1499857
Model: M444K
Price is $62.89
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 2647435
Model: MLRCD
Price is $63.09
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 426628
Model: MAL1182
Price is $121.69
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 1578471
Model: ML17112K
Price is $68.99
Unit of measure 25/Bundle
Free delivery by Thu, May 21
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Item: 1499827
Model: ML17112
Price is $73.59
Unit of measure 25/Bundle
Free delivery by Thu, May 21
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Item: 831816
Model: M441
Price is $41.69
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 2301337
Model: ML30244
Price is $323.99
Unit of measure 25/Bundle
Free delivery by Thu, May 21
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Item: 949062
Model: MLRDVD6
Price is $104.29
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 831825
Model: M663
Price is $85.09
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Item: 947431
Model: M15113K
Price is $131.39
Unit of measure 50/Bundle
Free delivery by Thu, May 21
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Price is $39.99, Regular price was $81.99, You save 51%
Unit of measure 5000/Carton
Free delivery by Thu, May 14
30-min pickup
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Price is $41.99, Regular price was $70.59, You save 40%
Unit of measure 4000/Carton
Free delivery by Thu, May 14
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Price is $82.99
Unit of measure 88/Carton Price per unit $0.94/Pod
Free delivery by Thu, May 14
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Price is $16.99
Unit of measure 18/Pack Price per unit $0.94/Pad
Delivery by Thu, May 14
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Price is $11.99, Regular price was $19.99, You save 40%
Unit of measure 100/Box Price per unit $0.12/File Folder
Delivery by Thu, May 14
30-min pickup
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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.