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 shipping cartons in 12x12x6" dimensions–perfect for shallow products and lightweight shipments. Bundle of 25 boxes ships flat to maximize warehouse efficiency and reduce freight costs. Durable single-wall construction delivers reliable protection without excess weight.
Boxes - Corrugated

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

PN: 12126

12 x 12 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$27.35 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes in a compact 12"x12"x5" shallow depth–engineered for products that don't need height. Bundle of 25 ships flat to maximize your warehouse efficiency and cut freight spend. Perfect for apparel, books, artwork, and picture frames.
Boxes - Corrugated

12x12x5 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 12125

12 x 12 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$29.14 / BUNDLE
IN STOCK Durable 12x12x4 white corrugated boxes with ECT-32 single-wall construction deliver reliable protection for mid-size shipments. The crisp white finish ensures applied labels and shipping instructions remain clearly visible throughout the supply chain. Sold in bundles of 25–ideal for e-commerce, fulfillment operations, and warehouse storage.
Boxes - Corrugated

12x12x4 ECT-32 White Corrugated Shipping Boxes Single Wall 25-Pack

PN: 12124W

12 x 12 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$49.25 / BUNDLE
IN STOCK Ship lightweight and shallow products efficiently with these 12x12x4 ECT-32 kraft corrugated boxes. Designed for apparel, books, frames, and artwork, each bundle of 25 boxes ships flat to maximize your warehouse storage and reduce freight costs.
Boxes - Corrugated

12x12x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 12124

12 x 12 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$26.65 / BUNDLE
IN STOCK Professional-grade 17x7x7 corrugated cartons engineered for efficient packing and storage. ECT-32-B kraft material delivers reliable protection while flat-pack design cuts warehouse footprint by up to 80%. Bundle of 25 boxes–volume savings for high-velocity fulfillment operations.
Boxes - Corrugated

17x7x7 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1777

17 x 7 x 7 in ECT-32-B Corrugated 25 PER BUNDLE
$38.76 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 16x8x12" dimensions deliver reliable protection for mid-weight shipments and storage. Sold in bundles of 25 for volume savings and freight efficiency. Fully recyclable kraft construction meets warehouse and fulfillment center durability standards.
Boxes - Corrugated

16x8x12 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 16812

16 x 8 x 12 in ECT-32 Corrugated 25 PER BUNDLE
$54.57 / BUNDLE
IN STOCK Heavy-duty ECT-48 kraft double wall boxes sized 16" x 8" x 8" designed for maximum protection and stacking performance in high-volume fulfillment operations. Bundle of 15 ships flat, reducing storage footprint and freight costs. Superior puncture and crush resistance ensures products arrive damage-free.
Boxes - Corrugated

16x8x8 ECT-48 Kraft Double Wall Corrugated Shipping Box 15-Pack

PN: HD1688DW

16 x 8 x 8 in D.W./ECT-48 Corrugated 15 PER BUNDLE
$46.48 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 14" 10" 12" deliver reliable standard-strength protection for mid-weight shipments. Sold in bundles of 25, these cardboard shipping cartons maximize pallet density and reduce freight costs. Recyclable kraft construction meets sustainability goals without compromising performance.
Boxes - Corrugated

14x10x12 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 141012

14 x 10 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$37.42 / BUNDLE
IN STOCK Packrift's 14 x 10 x 11" corrugated boxes deliver proven ECT-32 strength for reliable mid-size shipments. Ships flat in bundles of 25 to minimize your storage footprint and reduce freight costs. Perfect for e-commerce, logistics, and warehouse operations requiring consistent, stackable packaging.
Boxes - Corrugated

14x10x11 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 141011

14 x 10 x 11 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$46.04 / BUNDLE
IN STOCK Premium ECT-48 double wall kraft corrugated boxes engineered for maximum protection and stacking performance. Each 14x10x10 carton delivers heavy-duty durability for mid-size shipments. Bundle of 15 ships flat to optimize warehouse storage and freight efficiency.
Boxes - Corrugated

14x10x10 ECT-48 Double Wall Corrugated Boxes 15-Pack

PN: HD141010DW

14 x 10 x 10 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$52.43 / BUNDLE
IN STOCK Heavy-duty ECT-44 single wall kraft corrugated boxes designed for warehouse managers who need maximum stacking strength and freight efficiency. These 14" x 10" x 10" shipping cartons are 40% stronger than standard containers, reducing damage claims and protecting your bottom line. Sold flat in bundles of 25 for fast assembly and storage optimization.
Boxes - Corrugated

14x10x10 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD141010

14 x 10 x 10 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$78.95 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes in 14" x 10" x 9" dimensions–the workhorse size for mid-weight industrial shipping. This 25-pack bundle delivers proven stacking performance and crush resistance for high-volume fulfillment centers. Recyclable kraft construction cuts waste while maintaining reliable containment.
Boxes - Corrugated

14x10x9 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 14109

14 x 10 x 9 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$32.12 / BUNDLE
IN STOCK ECT-48 double wall kraft corrugated boxes engineered for maximum stacking performance and freight protection. 14" x 10" x 8" dimensions ideal for mid-weight products. Ships flat in bundles of 15 to maximize warehouse efficiency and reduce storage footprint.
Boxes - Corrugated

14x10x8 ECT-48 Kraft Heavy Duty Double Wall Corrugated Shipping Box 15-Pack

PN: HD14108DW

14 x 10 x 8 in D.W./ECT-48 Corrugated 15 PER BUNDLE
$51.89 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 14" x 10" x 8" deliver reliable standard strength shipping in a convenient 25-box bundle. Built for mid-weight product protection and freight efficiency in high-volume fulfillment operations. 100% recyclable kraft material reduces packaging waste while maintaining structural integrity.
Boxes - Corrugated

14x10x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 14108

14 x 10 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$27.35 / BUNDLE
IN STOCK Consolidate your carton inventory with one versatile box. These 14x10x6 multi-depth corrugated boxes fold to multiple heights with pre-scored side panels–no carton sizer required. ECT-32 kraft material delivers strength while reducing freight spend and warehouse SKU complexity.
Boxes - Corrugated

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

PN: MD14106

14 x 10 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$36.01 / BUNDLE
IN STOCK Reliable ECT-32 single wall corrugated boxes sized 13" x 11" x 7" for mid-weight shipping and storage. Bundled in packs of 25 kraft cartons, these corrugated receptacles deliver proven stacking strength and freight efficiency. Recyclable kraft material meets sustainability standards for warehouse operations.
Boxes - Corrugated

13x11x7 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 13117

13 x 11 x 7 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$32.03 / 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 ->