Boxes & Mailers

SELECTION EXPERT ADVICE

Wall Strength & Load Capacity
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Match single-, double-, or triple-wall corrugated construction to your product weight to prevent in-transit damage and minimize costly returns.
Dimensional Weight Cost Control
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Right-sized boxes cut carrier DIM weight charges, selecting the optimal LxWxH for each SKU directly lowers your per-shipment freight cost.
Mailer Box vs. RSC: Choose Correctly
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Self-locking mailer boxes suit branded DTC shipments; traditional RSC corrugated boxes are ideal for palletized B2B and high-volume fulfillment.

Need help choosing boxes?

Pick the right corrugated box without overpaying for size or strength

Use these buying guides to size your box, compare board strength, and avoid dimensional weight surcharges.

Corrugated Boxes Guide → How to choose size, strength, and wall type Box Size Calculator → Find the smallest safe box for your product 32 ECT vs 200 lb Test → Which board strength rating fits your shipment
Overview

3,094 corrugated boxes, literature mailers and mailing tubes from 2 to 36 inches, mostly ECT-32 kraft and white, sold in bundles of 10 to 50. Each listing shows inside dimensions, board grade and bundle count so you can match a carton to the part you ship. Orders ship from five US regional warehouses; for mixed or recurring orders use the bulk quote path with SKU, quantity and destination ZIP.

Related collections

IN STOCK Heavy-duty ECT-32 kraft corrugated gaylord lids sized 40.5" x 30.5" x 5" for maximum cargo protection. Ship as an economical bundle of 5 flat lids requiring minimal assembly with tape, glue, or staples. Engineered to fit standard gaylord containers for reliable, cost-effective bulk packaging solutions.
Boxes - Corrugated

40 1/2x30 1/2x5 ECT-32 Kraft Gaylord Lids 5-Pack

PN: GL403030LID

40 1/2 x 30.5 x 5 in ECT-32 Corrugated 5 PER BUNDLE
$21.50 / BUNDLE
IN STOCK Durable ECT-32 kraft corrugated lids engineered to fit standard 36.5x36.5x5 Gaylord containers. Heavy-duty construction protects bulk shipments during transit and storage. Sold as a convenient bundle of 5 flat, unassembled lids–ready to assemble with tape, glue, or staples.
Boxes - Corrugated

36.5x36.5x5 ECT-32 Heavy-Duty Corrugated Gaylord Lids 5-Pack

PN: GL363636LID

36 1/2 x 36 1/2 x 5 in ECT-32 Corrugated 5 PER BUNDLE
$22.25 / BUNDLE
IN STOCK Professional white self-seal CD mailers designed for e-commerce brands shipping audio media. These one-piece die-cut corrugated mailers (5.75" x 5.06" x 1.75") hold up to 4 CDs in jewel cases with crush-resistant ECT-32-B material. Peel-and-seal closure with pull-tab opening–ships as a convenient 200-pack bundle.
Boxes - Mailers

5.75x5.06x1.75 White Self-Seal Corrugated CD Mailers 200-Pack

PN: MM1002

5 3/4 x 5.06 x 1 3/4 in ECT-32-B Corrugated 200 PER BUNDLE
$232.05 / BUNDLE
IN STOCK 15x12x10 Blue R-Kive® Heavy-Duty File Storage Boxes, 850 lb Stacking, Case of 12 — image 1
Boxes - Corrugated

15x12x10 850 lb Blue R-Kive Heavy-Duty File Storage Boxes 12/Case

PN: FSB170

15 x 12 x 10 in 850 lb. Stacking Strength 12 PER CASE
$248.31 / CASE
IN STOCK Heavy-duty corrugated file storage boxes designed for demanding warehouse and office environments. 850 lb stacking strength, FastFold quick assembly, and reinforced tear-resistant hand holes make transport effortless. Ships case of 12 black banker's boxes–legal and letter size compatible.
Boxes - Corrugated

15x12x10 850 lb File Storage Boxes Heavy Duty 12-Pack

PN: FSB150

15 x 12 x 10 in 850 lb. Stacking Strength 12 PER CASE
$157.70 / CASE
IN STOCK Professional-grade 14.5x7.25x5 white outside tuck mailers built from ECT-32-B corrugated for maximum crush resistance. Front-lock tabs ensure secure closure without interfering with your contents. Ships flat and stores efficiently–25 mailers per bundle.
Boxes - Mailers

14.5x7.25x5 ECT-32 White Corrugated Tuck Mailers 25-Pack

PN: MEZ1475

14 1/2 x 7.25 x 5 in ECT-32-B Corrugated 25 PER BUNDLE
$56.21 / BUNDLE
IN STOCK Premium white outside tuck mailers designed for e-commerce brands shipping small goods, literature, and media. Features secure front-lock tabs and double-wall protection on 3 sides. Ships flat in convenient bundles of 25 for efficient storage.
Boxes - Mailers

11.75x7.25x4.75 ECT-32 White Corrugated Tuck Mailers 25/Bundle

PN: MEZ1174

11 3/4 x 7.25 x 4 3/4 in ECT-32-B Corrugated 25 PER BUNDLE
$48.23 / BUNDLE
IN STOCK 10 5/16x5x5 9/16 White Corrugated Outside Tuck Mailers - No Tape Needed, Bundle of 50
Boxes - Mailers

10 5/16 x 5 x 5 9/16 in White Corrugated Outside Tuck Mailers 50/Bundle

PN: MEZ1055

10 5/16 x 5 x 5 9/16 in ECT-32-B Corrugated 50 PER BUNDLE
$73.68 / BUNDLE
IN STOCK Ship with confidence using these 9.5x8x8 white outside tuck mailers. Featuring secure front lock tabs and triple-wall protection on 3 sides, they deliver professional presentation without interfering with your contents. Bundle of 25 strong ECT-32-B corrugated boxes ships and stores flat.
Boxes - Mailers

9.5x8x8 ECT-32-B White Corrugated Tuck Mailers 25/Bundle

PN: MEZ988

9 1/2 x 8 x 8 in ECT-32-B Corrugated 25 PER BUNDLE
$64.08 / BUNDLE
IN STOCK Premium white outside tuck mailers deliver professional presentation without interfering with contents. Built from strong ECT-32-B corrugated with front lock tabs ensuring secure closure and double-wall protection on 3 sides. Ships flat in bundles of 25 for convenient storage and handling.
Boxes - Mailers

7 5/8 x 5 7/16 x 3 9/16 in ECT-32-B White Outside Tuck Mailers 25-Pack

PN: MEZ753

7 5/8 x 5 7/16 x 3 9/16 in ECT-32-B Corrugated 25 PER BUNDLE
$39.50 / BUNDLE
IN STOCK Professional white corrugated outside tuck mailers designed for e-commerce brands shipping media, literature, and fragile items. Featuring secure front-lock tabs and double-wall protection on three sides, these 7 1/8x6 5/8x6 1/2 crush-resistant mailers arrive flat in bundles of 25 for efficient storage and assembly.
Boxes - Mailers

7 1/8 x 6 5/8 x 6 1/2 in ECT-32-B White Corrugated Outside Tuck Mailers 25-Pack

PN: MEZ766

7 1/8 x 6 5/8 x 6 1/2 in ECT-32-B Corrugated 25 PER BUNDLE
$43.67 / BUNDLE
IN STOCK Professional white outside tuck mailers with self-locking tabs eliminate tape waste and shipping delays. Made from durable ECT-32-B corrugated, these 5 5/8x4 3/16x5 mailers protect contents while presenting a polished brand image. Sold as bundle of 50 flat-shipped cartons.
Boxes - Mailers

5 5/8 x 4 3/16 x 5 in White Corrugated Outside Tuck Mailer 50/Bundle

PN: MEZ545

5 5/8 x 4 3/16 x 5 in ECT-32-B Corrugated 50 PER BUNDLE
$45.57 / BUNDLE
IN STOCK Get professional-grade protection with this bundle of six 72x80 deluxe moving blankets. Each features a durable woven top, non-woven bottom, and 50/50 cotton-poly batting with zigzag stitching to prevent shifting. Ideal for furniture, appliances, and industrial shipping applications–outperforms standard pads at warehouse pricing.
Boxes - Corrugated

72x80 Cotton-Poly Moving Blankets 6-Pack MB7280D

PN: MB7280D

72 x 80 in Woven top, Non-woven bottom, 50% Cotton / 50% Poly Blend Linear Batting 6 PER BUNDLE
$198.90 / BUNDLE
IN STOCK Protect valuable equipment and furniture during transit with these 72x80 moving blankets. Each bundle includes 6 industrial-grade blankets featuring a cotton-poly blend woven exterior and 100% linear batting for consistent, reliable cushioning. Zigzag stitching locks padding in place, making them essential shipping blankets for any operation.
Boxes - Corrugated

72x80 Standard Cotton/Poly Moving Blankets, 6-Pack

PN: MB7280S

72 x 80 in Cotton-Poly Blend Woven Fabric, 100% linear batting 6 PER BUNDLE
$151.94 / BUNDLE
IN STOCK Industrial-grade 72x80 moving blankets built for serious protection. Each bundle includes 6 blankets featuring a durable cotton-poly blend woven fabric with linear poly batting and reinforced zigzag stitching. Perfect for securing and protecting furniture, equipment, and fragile items during transit and storage.
Boxes - Corrugated

72x80 Cotton-Poly Moving Blankets 6-Pack MB7280C

PN: MB7280C

72 x 80 in Cotton-Poly Blend Woven Fabric, Linear Poly Batting 6 PER BUNDLE
$220.74 / BUNDLE
IN STOCK Protect your most valuable cargo with our 72x80 economy moving blankets. Each bundle includes 6 blankets with non-woven top and poly batting backing for superior durability at bulk pricing. Perfect for furniture movers, appliance shippers, and industrial logistics operations seeking cost-effective protection.
Boxes - Corrugated

72x80 Moving Blankets Non-Woven Economy 6-Pack

PN: MB7280E

72 x 80 in Non-Woven Fabric on top, Linear Poly Batting on bottom 6 PER BUNDLE
$92.82 / BUNDLE

Product Help Request

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Buying path

Buy Boxes & Mailers by the specs that change the order

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Larger orders

For pallet, recurring, or mixed-SKU orders, send your list and ZIP and get a delivered price by email.

What to check first

  • Inside dimensions
  • Board grade or strength rating
  • Box style and closure
  • Case or bundle quantity
Common wrong-order risk: Choosing the outside size instead of the inside size. Confirm product fit, void fill, and storage space before ordering.
Use the box size finder -> Get a delivered quote for larger orders -> Compare corrugated box types -> View products below ->