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 12x6x5 Kraft Corrugated Shipping Boxes, 1,575 Pack Pallet, 32 ECT
Boxes - Corrugated

12x6x5 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1265

12 x 6 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$17.64 / BUNDLE
IN STOCK ECT-32 kraft corrugated cartons sized 12" x 6" x 4" with long-side openings designed for efficient packing of elongated products. These shipping boxes excel at protecting wine bottles, umbrellas, carpet rolls, and similar narrow items. Sold flat in bundles of 25 for maximum freight efficiency and volume savings.
Boxes - Corrugated

12x6x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1264

12 x 6 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$15.81 / BUNDLE
IN STOCK Durable ECT-32 kraft corrugated boxes in 11x7x7" dimensions, sold as a bundle of 25 units. Built for warehouse efficiency with proven stacking strength and freight optimization. Recyclable, cost-effective solution for shipping, storage, and fulfillment operations.
Boxes - Corrugated

11x7x7 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1177

11 x 7 x 7 in ECT-32 Corrugated 25 PER BUNDLE
$23.37 / BUNDLE
IN STOCK 10x8x8 Multi-Depth Kraft Corrugated Boxes ECT-32 - Bundle of 25
Boxes - Corrugated

10x8x8 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD1088

10 x 8 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$26.46 / BUNDLE
IN STOCK Heavy-duty 10x8x8" corrugated shipping boxes built from ECT-32 kraft material for reliable protection and stacking performance. This 25-pack bundle delivers cost-effective packaging for fulfillment centers, warehouses, and logistics operations. Recyclable kraft construction supports sustainable packaging goals.
Boxes - Corrugated

10x8x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1088

10 x 8 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$20.69 / BUNDLE
IN STOCK 10x8x7 Kraft Corrugated Shipping Boxes, 1,225 Pack Pallet, 32 ECT
Boxes - Corrugated

10x8x7 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1087

10 x 8 x 7 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$22.67 / BUNDLE
IN STOCK 10x8x6 White Corrugated Shipping Boxes, 900 Pack Pallet, 32 ECT
Boxes - Corrugated

10x8x6 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 1086W

10 x 8 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$31.56 / BUNDLE
IN STOCK 10x8x5 ECT-32 Kraft Corrugated Boxes - Reliable Shipping, 25-Pack
Boxes - Corrugated

10x8x5 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1085

10 x 8 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$20.69 / BUNDLE
IN STOCK 10x8x4 ECT-32 Kraft Corrugated Boxes - Shallow Shipping, Bundle of 25
Boxes - Corrugated

10x8x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1084

10 x 8 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$18.05 / BUNDLE
IN STOCK ECT-32 single wall corrugated boxes measuring 9" 9" 8" deliver dependable strength for mid-weight shipments and storage. Sold as a 25-pack bundle of kraft boxes designed for efficient warehouse operations and cost-effective fulfillment. Fully recyclable packaging that meets industrial shipping standards.
Boxes - Corrugated

9x9x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 998

9 x 9 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$22.70 / BUNDLE
IN STOCK Durable 9x9x7" corrugated boxes with ECT-32 single-wall kraft construction designed for reliable standard-weight shipping and fulfillment operations. Each bundle contains 25 boxes, delivering consistent stacking performance and freight efficiency for warehouse managers managing high-volume fulfillment. Fully recyclable kraft material reduces your sustainability footprint.
Boxes - Corrugated

9x9x7 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 997

9 x 9 x 7 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$22.65 / BUNDLE
IN STOCK UN-rated ECT-44 corrugated hazmat boxes designed for safe 1-gallon paint can shipment. Dimensions 8.5" 8.5" 9.3125" with pre-printed hazardous material warnings and directional arrows. Flat-shipped bundle of 25 reduces warehouse footprint and freight costs.
Boxes - Corrugated

8 1/2x8 1/2x9 3/10 ECT-44 Hazmat Shipping Boxes 25-Pack

PN: HAZ1044

8 1/2 x 8 1/2 x 9 5/16 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$154.06 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes designed for long, narrow items like wine bottles, umbrellas, and carpet rolls. 14x4x4" dimensions with wide lengthwise openings for fast, efficient packing. Sold flat in bundles of 25 to maximize freight efficiency and minimize storage footprint.
Boxes - Corrugated

14x4x4 ECT-32 Kraft Corrugated Long Shipping Boxes 25-Pack

PN: 1444

14 x 4 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$22.71 / BUNDLE
IN STOCK Durable 12x6x12 corrugated boxes built from ECT-32 kraft material for reliable mid-weight product shipping. This 25-pack of standard strength cardboard cartons delivers consistent stacking performance and freight efficiency for warehouse operations. Recyclable brown corrugated packaging that meets industrial fulfillment demands.
Boxes - Corrugated

12x6x12 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 12612

12 x 6 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$25.25 / BUNDLE
IN STOCK Ship wine bottles, umbrellas, and carpet rolls efficiently with these 12x6x6" long corrugated boxes. Manufactured from ECT-32 single-wall kraft corrugated with extended openings for fast packing. Sold flat in bundles of 25–maximize your warehouse space while minimizing per-unit costs.
Boxes - Corrugated

12x6x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1266

12 x 6 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$18.22 / BUNDLE
IN STOCK Ship narrow items efficiently with 12x6x3 ECT-32 kraft corrugated boxes featuring convenient long-side openings for faster packing. Ideal for wine bottles, umbrellas, carpet rolls, and specialty products. Sold in bundles of 25 and shipped flat to maximize freight efficiency.
Boxes - Corrugated

12x6x3 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1263

12 x 6 x 3 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$15.84 / BUNDLE

Product Help Request

Send the SKU, quantity, delivery ZIP, and any required specs so we can route the request.

Buying path

Buy Boxes & Mailers by the specs that change the order

Use filters, product titles, and product pages to compare size, material, pack count, case quantity, and fit before ordering.

Compare

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Confirm

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Reorder

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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 ->