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 Ship long, narrow products efficiently with 17x9x9 corrugated cartons featuring an extended side opening for fast packing. ECT-32 kraft construction provides reliable stacking strength and protection. Sold in bundles of 25 and shipped flat to maximize freight efficiency and storage space.
Boxes - Corrugated

17x9x9 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1799

17 x 9 x 9 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$32.92 / BUNDLE
IN STOCK Reliable 16 x 10 x 12 corrugated shipping boxes built from ECT-32 single-wall kraft material for cost-effective fulfillment operations. This bundle of 25 kraft cartons delivers industry-standard stacking performance and crush resistance. Recyclable corrugated construction ideal for e-commerce, retail, and warehouse distribution.
Boxes - Corrugated

16x10x12 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 161012

16 x 10 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$41.34 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes deliver industrial-grade strength for mid-weight shipments and storage. At 16" 10" 10", these 25-box bundles maximize pallet density and freight efficiency. Recyclable kraft construction supports your sustainability goals while reducing per-unit costs.
Boxes - Corrugated

16x10x10 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 161010

16 x 10 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$35.22 / BUNDLE
IN STOCK ECT-32 single wall corrugated boxes in 16" 10" 8" dimensions deliver reliable mid-weight shipping performance for fulfillment operations. Each bundle contains 25 kraft cartons, offering volume savings and consistent stacking strength for warehouse efficiency. Recyclable corrugated material reduces environmental impact while keeping freight costs competitive.
Boxes - Corrugated

16x10x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 16108

16 x 10 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$33.27 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 16x10x5" dimensions, sold as a convenient 25-box bundle. Flat-shipped design maximizes storage efficiency and reduces freight costs for warehouse managers and fulfillment operations. Industry-standard construction delivers reliable stacking performance and product protection.
Boxes - Corrugated

16x10x5 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 16105

16 x 10 x 5 in ECT-32 Corrugated 25 PER BUNDLE
$44.43 / BUNDLE
IN STOCK ECT-32 kraft corrugated cartons engineered for shallow products that require secure, space-efficient shipping. The 16" 10" 4" depth minimizes wasted space while the flat-shipped bundle format cuts your warehouse footprint and freight costs. Ideal for apparel, books, artwork, and picture frames.
Boxes - Corrugated

16x10x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 16104

16 x 10 x 4 in ECT-32 Corrugated 25 PER BUNDLE
$27.01 / BUNDLE
IN STOCK Reliable ECT-32 single-wall kraft corrugated boxes sized 15" 11" 11" for standard-duty shipping and storage. Sold in bundles of 25 for volume savings and consistent inventory management. Stackable design maximizes warehouse space while maintaining structural integrity.
Boxes - Corrugated

15x11x11 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 151111

15 x 11 x 11 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$40.83 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 15x11x9 inches–the trusted choice for mid-weight merchandise and standard industrial shipping. This 25-pack of single-wall cardboard shipping boxes delivers consistent crush strength and stacking performance at competitive bulk pricing. Recyclable kraft construction reduces your environmental footprint while maximizing warehouse efficiency.
Boxes - Corrugated

15x11x9 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 15119

15 x 11 x 9 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$38.46 / BUNDLE
IN STOCK Dependable ECT-32 kraft corrugated shipping boxes sized 15" x 11" x 8" for mid-weight products. This 25-box bundle delivers standard strength performance at volume pricing. Recyclable kraft material reduces your environmental footprint while meeting freight efficiency standards.
Boxes - Corrugated

15x11x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 15118

15 x 11 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$41.33 / BUNDLE
IN STOCK 15x11x7 Kraft Corrugated Shipping Boxes, 850 Pack Pallet, 32 ECT
Boxes - Corrugated

15x11x7 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 15117

15 x 11 x 7 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$33.27 / BUNDLE
IN STOCK Reliable ECT-32 single wall corrugated shipping boxes sized 15" x 11" x 6" for standard mid-weight product fulfillment. Sold in bundles of 25 kraft cartons. Recyclable kraft construction delivers cost-efficient industrial packaging without compromising strength or stacking performance.
Boxes - Corrugated

15x11x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 15116

15 x 11 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$34.20 / BUNDLE
IN STOCK Pre-scored multi-depth corrugated boxes that fold to your exact height–no carton sizer needed. ECT-32 kraft construction handles stacking and freight without compromise. Sold in bundles of 25, these adjustable-size cartons eliminate inventory bloat and cut parcel shipping expenses.
Boxes - Corrugated

14x12x12 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD141212

14 x 12 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$46.58 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes sized 14x12x12" deliver dependable strength for mid-weight product shipping and warehouse storage. Sold in bundles of 25 for volume savings and freight efficiency. Fully recyclable and designed for optimal stacking performance in fulfillment operations.
Boxes - Corrugated

14x12x12 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 141212

14 x 12 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$44.25 / BUNDLE
IN STOCK 14x12x9 Kraft Corrugated Shipping Boxes, 550 Pack Pallet, 32 ECT
Boxes - Corrugated

14x12x9 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 14129

14 x 12 x 9 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$50.27 / BUNDLE
IN STOCK Pre-scored multi-depth corrugated boxes that fold to 6", 4", or 2" heights–eliminating carton sizer needs and excess inventory. ECT-32 single wall kraft construction delivers strength for handling while reducing dimensional weight charges. Sold in bundles of 25.
Boxes - Corrugated

14x12x6 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD14126

14 x 12 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$32.75 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes sized 14" × 12" × 6" for reliable mid-weight shipping and storage. Sold as a convenient 25-pack bundle to maximize your warehouse efficiency. Fully recyclable kraft construction delivers cost-effective protection with proven stacking performance.
Boxes - Corrugated

14x12x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 14126

14 x 12 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$32.10 / 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 ->