Corrugated Mailers

5" x 6" x 1" Crush-Proof Mailer, White, 50/Bundle (M651)~#|#~C271D722-E7F0-4796-A0C0D5FB196E9104_sc75" x 6" x 1" Crush-Proof Mailer, White, 50/Bundle (M651)~#|#~FDCE355E-9FE4-4520-A9495013F982B965_sc7
Item: 1578449
Model: M651
Price is $66.29
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
7" x 7" Literature Mailer, White, 50/Bundle (ML772)~#|#~D67ABB3D-9FFA-4696-A8B04F2469F2DA04_sc77" x 7" Literature Mailer, White, 50/Bundle (ML772)~#|#~C3771DBC-F63B-44E5-9BE038CEBDF1F50E_sc7
Item: 2301080
Model: ML772
No reviews yet
Price is $66.59
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
Corrugated Mailers, 36" x 4" x 4" White, 50/Bundle (MLR3644)~#|#~DF2AD5BA-9293-4CBB-A854B5858EAE46AE_sc7Corrugated Mailers, 36" x 4" x 4" White, 50/Bundle (MLR3644)~#|#~m004078747_sc7
Item: 2301164
Model: MLR3644
No reviews yet
Price is $216.39
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
9" x 5" x 5" Corrugated Mailers, White, 50/Bundle (M955)~#|#~sp21847548_sc79" x 5" x 5" Corrugated Mailers, White, 50/Bundle (M955)~#|#~m004078737_sc7
Item: 947465
Model: M955
No reviews yet
Price is $104.89
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
15.125" x 11.125" Literature Mailer, White, 50/Bundle (M15113K)~#|#~2DC4B4B2-CF7C-4DA9-850C2DE8715370A8_sc715.125" x 11.125" Literature Mailer, White, 50/Bundle (M15113K)~#|#~32A90FB4-A97A-4DB9-870C9214266DADE9_sc7
Item: 947431
Model: M15113K
Price is $131.39
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
11 3/4" x 10 3/4" x 2 1/4" Deluxe Literature Mailers, 50/Bundle (MFL3RB)~#|#~sp21847477_sc711 3/4" x 10 3/4" x 2 1/4" Deluxe Literature Mailers, 50/Bundle (MFL3RB)~#|#~m002123447_sc7
Item: 630512
Model: MFL3RB
No reviews yet
Price is $118.59
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
8" x 8" x 2" Corrugated Mailers, White, 50/Bundle (M882)~#|#~sp21847541_sc78" x 8" x 2" Corrugated Mailers, White, 50/Bundle (M882)~#|#~m004078727_sc7
Item: 947458
Model: M882
Price is $105.99
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
9" x 6 1/2" x 2 3/4" Deluxe Literature Mailers, 50/Bundle (MFL962R)~#|#~4F1FB494-8260-482C-AD18C4CA02388B06_sc79" x 6 1/2" x 2 3/4" Deluxe Literature Mailers, 50/Bundle (MFL962R)~#|#~m002123453_sc7
Item: 1578416
Model: MFL962R
No reviews yet
Price is $104.69
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
5" x 3" x 5" Corrugated Mailers, 50/Bundle (M535)~#|#~sp21847888_sc75" x 3" x 5" Corrugated Mailers, 50/Bundle (M535)~#|#~m002123433_sc7
Item: 1578451
Model: M535
No reviews yet
Price is $45.59
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
Literature Mailers, 11 3/4" x 10 3/4" x 2 1/4", Kraft, 50/Bundle (M3RBK)~#|#~886C7E39-BB19-4FC2-917AD1123C81D79C_sc7Literature Mailers, 11 3/4" x 10 3/4" x 2 1/4", Kraft, 50/Bundle (M3RBK)~#|#~s0537482_sc7
Item: 947436
Model: M3RBK
Price is $104.79
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
8" x 7" x 3", Literature Mailers, White, 50/Bundle (ML873)~#|#~32F55843-BDBA-4637-BAC9070B13D10B29_sc78" x 7" x 3", Literature Mailers, White, 50/Bundle (ML873)~#|#~m004078742_sc7
Item: 2301079
Model: ML873
No reviews yet
Price is $89.89
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
12" x 12" Literature Mailer, Kraft, 50/Bundle (ML12124K)~#|#~55FA9E63-8E66-4B43-928EEEFBFF8FAB30_sc712" x 12" Literature Mailer, Kraft, 50/Bundle (ML12124K)~#|#~743AF7C0-DEEA-4DA8-AF87E4D698C56A34_sc7
Item: 256462
Model: ML12124K
Price is $139.79
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
12" x 6" x 4" Corrugated Mailers, 50/Bundle (M1264)~#|#~16264B30-DC0F-4409-8FFE40185CD9B95B_sc712" x 6" x 4" Corrugated Mailers, 50/Bundle (M1264)~#|#~s0025615_sc7
Item: 831823
Model: M1264
Price is $100.89
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
Literature Mailers, 13" x 13" x 3", Kraft, 50/Bundle (ML13133K)~#|#~sp21847578_sc7Literature Mailers, 13" x 13" x 3", Kraft, 50/Bundle (ML13133K)~#|#~s0537482_sc7
Item: 947496
Model: ML13133K
Price is $136.29
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
Partners Brand Easy-Fold Mailers, 14 1/4" x 11 1/4" x 2", Kraft, 50/Bundle (M14112BFK)~#|#~A4CA387D-94FB-4995-87D7216A3B4E1B9E_sc7Partners Brand Easy-Fold Mailers, 14 1/4" x 11 1/4" x 2", Kraft, 50/Bundle (M14112BFK)~#|#~m004078714_sc7
Item: 2301161
Model: M14112BFK
Price is $137.79
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
9" x 4" x 4" Corrugated Mailers, 50/Bundle (M944)~#|#~6EE19804-E6B1-4D97-971BA6D759AA4402_sc79" x 4" x 4" Corrugated Mailers, 50/Bundle (M944)~#|#~m004078737_sc7
Item: 558958
Model: M944
Price is $67.69
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
Partners Brand Literature Mailers, 11 1/8" x 8 3/4" x 3", Kraft, 50/Bundle (M1183K)~#|#~90897200-185F-4DA0-9E27FBE48DAA42EA_sc7Partners Brand Literature Mailers, 11 1/8" x 8 3/4" x 3", Kraft, 50/Bundle (M1183K)~#|#~sp95007403_sc7
Item: 947418
Model: M1183K
Price is $108.69
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
17.125" x 11.125" Literature Mailer, White, 50/Bundle (M17115)~#|#~22EFD212-6BA5-452E-9BE9DDAD4D6C3D71_sc717.125" x 11.125" Literature Mailer, White, 50/Bundle (M17115)~#|#~DA838C8C-682A-4C35-939E22EBA42C5041_sc7
Item: 949041
Model: M17115
Price is $225.59
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
8" x 5" Crush-Proof Mailer, White, 50/Bundle (M852)~#|#~0EF530FC-B273-4D38-A67B3130B8D3CFC2_sc78" x 5" Crush-Proof Mailer, White, 50/Bundle (M852)~#|#~31399FB7-6873-445F-92F593343D988393_sc7
Item: 947452
Model: M852
Price is $64.59
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
8" x 6" x 2" Corrugated Mailers, White, 50/Bundle (M862)~#|#~sp21847538_sc78" x 6" x 2" Corrugated Mailers, White, 50/Bundle (M862)~#|#~m004078730_sc7
Item: 947455
Model: M862
Price is $83.19
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
18" x 12" Literature Mailer, White, 25/Bundle (MFL18124)~#|#~4F14E123-1CB4-407E-BA7A61D2507F5EBA_sc718" x 12" Literature Mailer, White, 25/Bundle (MFL18124)~#|#~F29374D6-626E-41C9-AE846F2CAF8A1B9A_sc7
Item: 630472
Model: MFL18124
Price is $117.29
Unit of measure 25/Bundle
Free delivery by Tue, Jun 16
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Over 30
8" x 4" x 3" Corrugated Mailers, 50/Bundle (M843)~#|#~sp21847458_sc78" x 4" x 3" Corrugated Mailers, 50/Bundle (M843)~#|#~m004078736_sc7
Item: 558951
Model: M843
Price is $47.79
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
9" x 3" x 3" Corrugated Mailers, White, 50/Bundle (M933)~#|#~sp21847461_sc79" x 3" x 3" Corrugated Mailers, White, 50/Bundle (M933)~#|#~m004078735_sc7
Item: 558954
Model: M933
Price is $44.99
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
10" x 5" Crush-Proof Mailer, White, 50/Bundle (M1053)~#|#~E6E41B6C-E577-41EB-BA1B93F1C9DFD6AB_sc710" x 5" Crush-Proof Mailer, White, 50/Bundle (M1053)~#|#~FCB52593-DD5F-4D5C-BDD1FB7695D66527_sc7
Item: 947408
Model: M1053
No reviews yet
Price is $100.89
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
10" x 2" x 2" Corrugated Mailers, 50/Bundle (M1022)~#|#~sp21847464_sc710" x 2" x 2" Corrugated Mailers, 50/Bundle (M1022)~#|#~m004078747_sc7
Item: 558959
Model: M1022
No reviews yet
Price is $33.09
Unit of measure 50/Bundle
Delivery by Tue, Jun 16
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Over 30
9" x 6" Crush-Proof Mailer, White, 50/Bundle (M966)~#|#~AED52922-A45E-4FDF-B3AAE6DAE7B8C5DF_sc79" x 6" Crush-Proof Mailer, White, 50/Bundle (M966)~#|#~7EFA6E7D-8A07-4E5C-AC1A54D0497D9FE5_sc7
Item: 947473
Model: M966
Price is $144.39
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
11.125" x 8.625" Literature Mailer, Kraft, 50/Bundle (M1184K)~#|#~082B5F60-314D-4F46-BEA052C6E7BE22E4_sc711.125" x 8.625" Literature Mailer, Kraft, 50/Bundle (M1184K)~#|#~72262374-CE3D-4F3F-AF538917627C0043_sc7
Item: 947419
Model: M1184K
Price is $124.89
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
10" x 10" x 4" - Literature Mailer, 50/Bundle~#|#~438B896A-43F1-414B-AFDBB4D9BBD198AE_sc710" x 10" x 4" - Literature Mailer, 50/Bundle~#|#~s0537476_sc7
Item: 949023
Model: M10104
Price is $132.09
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
12 1/8" x 9 1/4" x 1" Literature Mailers, White, 50/Bundle (ML1291)~#|#~A83E8D74-92BE-4DBF-BA899EE17FC47EA1_sc712 1/8" x 9 1/4" x 1" Literature Mailers, White, 50/Bundle (ML1291)~#|#~s0537476_sc7
Item: 947494
Model: ML1291
Price is $69.69
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
12.125" x 9.25" Literature Mailer, White, 50/Bundle (MFL1293)~#|#~D53C8136-59F5-4720-8ADCA126210A0CE8_sc712.125" x 9.25" Literature Mailer, White, 50/Bundle (MFL1293)~#|#~C82FBCC2-124A-43F7-A238EE5684DE174E_sc7
Item: 949050
Model: MFL1293
No reviews yet
Price is $153.49
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
Literature Mailers, 18" x 18" x 2", White, 25/Bundle (ML18182)~#|#~sp21847995_sc7Literature Mailers, 18" x 18" x 2", White, 25/Bundle (ML18182)~#|#~m004078748_sc7
Item: 2301338
Model: ML18182
No reviews yet
Price is $95.39
Unit of measure 25/Bundle
Free delivery by Tue, Jun 16
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Over 30
36" x 36" Literature Mailer, Kraft, 20/Bundle (M36366)~#|#~7669E861-4795-4E75-A80F5A7DC58F237D_sc736" x 36" Literature Mailer, Kraft, 20/Bundle (M36366)~#|#~4299C31A-7718-4E6A-A0C78A16F4C9E137_sc7
Item: 2301495
Model: M36366
No reviews yet
Price is $402.99
Unit of measure 20/Bundle
Free delivery by Tue, Jun 16
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Over 30
8" x 6" Crush-Proof Mailer, White, 50/Bundle (M865)~#|#~C6871E0F-B9AF-475E-972A64D67FF84400_sc78" x 6" Crush-Proof Mailer, White, 50/Bundle (M865)~#|#~D73885A9-3648-49AA-827882929AC94AFF_sc7
Item: 947456
Model: M865
No reviews yet
Price is $122.09
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
12.125" x 9.125" Literature Mailer, White, 50/Bundle (M2BKXL)~#|#~186EC290-DBBC-46EF-80B2BA2887F421A5_sc712.125" x 9.125" Literature Mailer, White, 50/Bundle (M2BKXL)~#|#~E9CCB7F1-09F0-4214-863468D13B7E4776_sc7
Item: 947435
Model: M2BKXL
Price is $122.89
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
14" x 3" x 3" Corrugated Mailers, 50/Bundle (M1433)~#|#~sp21847912_sc714" x 3" x 3" Corrugated Mailers, 50/Bundle (M1433)~#|#~m002123421_sc7
Item: 1578484
Model: M1433
Price is $53.99
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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Over 30
12" x 10" x 4" Literature Mailers, 50/Bundle (ML12104K)~#|#~sp21847920_sc712" x 10" x 4" Literature Mailers, 50/Bundle (ML12104K)~#|#~m002123457_sc7
Item: 1578494
Model: ML12104K
No reviews yet
Price is $152.89
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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14" x 10" Literature Mailer, 50/Bundle (MFL14104K)~#|#~FCC05DD0-C728-4E78-A8BD8718BEE07DAE_sc714" x 10" Literature Mailer, 50/Bundle (MFL14104K)~#|#~E7978883-9F5C-42ED-82803079C3888F1D_sc7
Item: 1578520
Model: MFL14104K
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Price is $189.79
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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7" x 3" Literature Mailer, 50/Bundle (M743)~#|#~0F0AEB76-014B-4658-938F4E6F72C55F6D_sc77" x 3" Literature Mailer, 50/Bundle (M743)~#|#~EBD19528-78C8-409A-88EB160DE160E18F_sc7
Item: 558926
Model: M743
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Price is $41.99
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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12" x 6" x 2" Corrugated Mailers, 50/Bundle (M1262)~#|#~sp21847935_sc712" x 6" x 2" Corrugated Mailers, 50/Bundle (M1262)~#|#~m002123422_sc7
Item: 1578509
Model: M1262
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Price is $89.99
Unit of measure 50/Bundle
Free delivery by Tue, Jun 16
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12" x 9" x 2" Literature Mailers, Kraft, 50/Bundle (ML1292RK)~#|#~m004078715_sc7
Item: 2301149
Model: ML1292RK
Price is $92.19
Unit of measure 50/Bundle
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Page 1 of 4
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.