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 ECT-32 kraft corrugated boxes in 14x10x6" dimensions–built for warehouse durability and efficient stacking. This 25-pack bundle of single-wall shipping cartons delivers reliable protection at volume pricing. Recyclable kraft material keeps your fulfillment costs and environmental footprint low.
Boxes - Corrugated

14x10x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 14106

14 x 10 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$26.98 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes sized 14" x 10" x 5" for optimal shallow-product shipping. Bundle of 25 units ships flat, reducing your storage footprint and freight costs. Perfect for apparel, books, frames, and artwork that demands reliable protection without oversized dimensions.
Boxes - Corrugated

14x10x5 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 14105

14 x 10 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$26.56 / BUNDLE
IN STOCK Ship lightweight and shallow products with confidence using these 14x10x4 ECT-32 kraft corrugated boxes. Bundle of 25 flat boxes arrives compressed for maximum storage efficiency and freight savings. Engineered for apparel, books, picture frames, and artwork with reliable single-wall protection.
Boxes - Corrugated

14x10x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 14104

14 x 10 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$23.86 / BUNDLE
IN STOCK Ship shallow products efficiently with these 14x10x3" ECT-32 kraft corrugated boxes. Manufactured from single-wall corrugated material rated for reliable stacking and freight performance. Sold as a bundle of 25 and ships flat to maximize your warehouse storage and reduce inbound shipping costs.
Boxes - Corrugated

14x10x3 ECT-32 Kraft Corrugated Boxes 25-Pack

PN: 14103

14 x 10 x 3 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$41.09 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes sized 14" 10" 2" designed for shallow-depth products. Ships flat in bundles of 25 to maximize warehouse storage and minimize freight costs. Ideal for apparel, books, frames, and artwork.
Boxes - Corrugated

14x10x2 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 14102

14 x 10 x 2 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$44.59 / BUNDLE
IN STOCK Industrial-strength ECT-32 kraft corrugated boxes in standard 13.75x10.25x9.125" dimensions–ideal for mid-size product shipments. Single-wall construction delivers reliable stacking performance and freight efficiency. Sold as bundles of 25 for maximum volume savings.
Boxes - Corrugated

13.75x10.25x9.125 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 13109

13 3/4 x 10.25 x 9 1/8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$31.70 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes sized 13" 11" 11" for reliable mid-size shipments and storage. Bundle of 25 boxes offers volume savings and consistent stacking performance. Recyclable kraft material reduces environmental impact while maintaining industrial-grade durability.
Boxes - Corrugated

13x11x11 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 131111

13 x 11 x 11 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$37.88 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes in 13x11x8" dimensions, sold as a bundle of 25. Proven standard-strength performance for reliable mid-weight product protection during storage and freight. Recyclable kraft construction reduces packaging waste and shipping costs per unit.
Boxes - Corrugated

13x11x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 13118

13 x 11 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$32.32 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes sized 13" 11" 6" for reliable mid-weight shipping and storage. Sold as a bundle of 25 units–ideal for warehouses managing frequent small-to-medium package fulfillment. Durable, cost-effective, and fully recyclable.
Boxes - Corrugated

13x11x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 13116

13 x 11 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$28.60 / BUNDLE
IN STOCK 13x11x5 Kraft Corrugated Shipping Boxes, 1,000 Pack Pallet, 32 ECT
Boxes - Corrugated

13x11x5 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 13115

13 x 11 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$28.16 / BUNDLE
IN STOCK Kraft corrugated shipping boxes built with ECT-44 single wall construction–40% stronger than standard cartons for demanding warehouse operations. 12" x 12" x 10" dimensions ship flat in bundles of 25 to maximize freight efficiency and minimize storage footprint.
Boxes - Corrugated

12x12x10 ECT-44 Kraft Heavy Duty Corrugated Shipping Boxes 25-Pack

PN: HD121210

12 x 12 x 10 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$75.61 / BUNDLE
IN STOCK 12x12x10 White Corrugated Shipping Boxes, 525 Pack Pallet, 32 ECT
Boxes - Corrugated

12x12x10 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 121210W

12 x 12 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$55.18 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 12" 12" 9" deliver reliable mid-weight shipping performance for industrial fulfillment operations. Each bundle contains 25 boxes, offering volume savings and consistent stacking strength for warehouse efficiency. Manufactured from recyclable kraft material–the trusted choice for cost-conscious logistics.
Boxes - Corrugated

12x12x9 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 12129

12 x 12 x 9 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$35.20 / BUNDLE
IN STOCK ECT-32 white corrugated boxes sized 12" 12" 8" deliver professional presentation with superior stacking strength. Each bundle contains 25 boxes ready for immediate use. The crisp white exterior enhances label visibility and shipping instructions, making them ideal for e-commerce, direct-to-consumer, and retail fulfillment operations.
Boxes - Corrugated

12x12x8 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 12128W

12 x 12 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$48.93 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes designed for reliable mid-weight shipping and storage. 12" x 12" x 8" dimensions optimize pallet efficiency and freight costs. Bundle of 25 boxes–recyclable kraft material built for industrial performance.
Boxes - Corrugated

12x12x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 12128

12 x 12 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$30.51 / BUNDLE
IN STOCK Pre-scored multi-depth corrugated boxes that fold to 2", 4", or 6" heights–eliminating the need for multiple carton sizes. ECT-32 kraft construction delivers reliable strength while cutting your inventory footprint and parcel service costs.
Boxes - Corrugated

12x12x6 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD12126

12 x 12 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$30.49 / 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

Use filters and product titles to narrow by the specs that affect fit.

Confirm

Open the product page before ordering a case so you can check quantity, unit, and limits.

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 ->