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 Industrial-grade ECT-44 single wall kraft corrugated boxes deliver 40% greater stacking strength than standard shipping containers. These 17.25" x 11.25" x 12" heavy-duty cartons protect high-value shipments while maximizing pallet density. Sold flat in bundles of 25 for volume savings and efficient storage.
Boxes - Corrugated

17.25x11.25x12 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD171112

17 1/4 x 11.25 x 12 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$60.76 / BUNDLE
IN STOCK Eliminate carton sizer needs with our pre-scored multi-depth corrugated boxes. Fold to 4, 6, 8, or 12" heights in one SKU–cut inventory and shipping costs. ECT-32 kraft construction rated for reliable stacking and freight performance in bundle of 25.
Boxes - Corrugated

17.25x11.25x12 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD171112

17 1/4 x 11.25 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$48.37 / BUNDLE
IN STOCK Protect high-value printed materials with ECT-32 kraft corrugated boxes sized perfectly for standard paper formats. These 17.25" x 11.25" x 11.5" shipping cartons deliver reliable crush resistance in bundles of 25, reducing damage claims and freight waste for print distributors and fulfillment operations.
Boxes - Corrugated

17.25x11.25x11.5 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 171111

17 1/4 x 11.25 x 11 1/2 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$44.73 / BUNDLE
IN STOCK Industrial-grade ECT-44 single wall corrugated boxes sized 17.25" x 11.25" x 10" deliver 40% greater stacking strength than standard shipping cartons. Kraft construction withstands heavy loads and multi-tier palletizing. Sold flat in convenient bundles of 25 to maximize storage efficiency and reduce freight costs.
Boxes - Corrugated

17 1/4x11 1/4x10 ECT-44 Corrugated Shipping Boxes Heavy Duty 25-Pack

PN: HD171110

17 1/4 x 11.25 x 10 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$52.92 / BUNDLE
IN STOCK Professional white corrugated shipping boxes sized 17.25" x 11.25" x 10" with durable ECT-32 construction. Each bundle contains 25 cartons ready for immediate use. The crisp white surface showcases applied labels and shipping instructions, making your brand and handling details instantly visible to carriers and recipients.
Boxes - Corrugated

17.25x11.25x10 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 171110W

17 1/4 x 11.25 x 10 in ECT-32 Corrugated 25 PER BUNDLE
$46.46 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping cartons sized for standard printed materials, forms, and catalogs. 17.25" × 11.25" × 10" dimensions provide optimal fit with minimal excess material and air waste. Sold in bundles of 25 to maximize your packaging efficiency and reduce per-unit costs.
Boxes - Corrugated

17.25x11.25x10 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 171110

17 1/4 x 11.25 x 10 in ECT-32 Corrugated 25 PER BUNDLE
$42.53 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping cartons engineered for reliable mid-weight product protection. Each bundle contains 25 boxes measuring 17¼" × 11¼" × 9", delivering consistent stacking performance and freight efficiency for warehouse operations. Recyclable corrugated material cuts waste while maintaining durability.
Boxes - Corrugated

17x11x9 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 17119

17 x 11 x 9 in ECT-32 Corrugated 25 PER BUNDLE
$65.66 / BUNDLE
IN STOCK Ship with confidence using these ECT-44 heavy-duty corrugated boxes engineered for maximum protection and stacking performance. Each bundle delivers 25 kraft cartons at 17.25" × 11.25" × 8" with 40% greater strength than standard single wall boxes–ideal for high-volume fulfillment operations requiring reliable containment and freight efficiency.
Boxes - Corrugated

17 1/4x11 1/4x8 ECT-44 Corrugated Shipping Boxes Heavy Duty 25-Pack

PN: HD17118

17 1/4 x 11.25 x 8 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$50.97 / BUNDLE
IN STOCK Premium white corrugated boxes with ECT-32 single wall construction deliver professional presentation and proven durability. These 17 1/4 x 11 1/4 x 8 shipping cartons showcase applied labels and custom instructions with crisp clarity. Bundled in cases of 25 for volume efficiency.
Boxes - Corrugated

17 1/4x11 1/4x8 ECT-32 White Corrugated Boxes Single Wall 25-Pack

PN: 17118W

17 1/4 x 11 1/4 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$42.21 / BUNDLE
IN STOCK Replace multiple box sizes with one intelligent carton. These 17.25x11.25x8 kraft corrugated boxes feature pre-scored multi-depth sides that fold to 8", 6", or 4" heights–eliminating carton sizers and excess inventory. ECT-32 single-wall construction delivers strength while maximizing freight efficiency and reducing parcel service costs.
Boxes - Corrugated

17.25x11.25x8 ECT-32 Multi-Depth Kraft Corrugated Shipping Boxes 25-Pack

PN: MD17118

17 1/4 x 11.25 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$38.46 / BUNDLE
IN STOCK Purpose-built 17.25 x 11.25 x 6" corrugated shipping cartons for printed materials, catalogs, and letterhead. ECT-32 single-wall kraft construction delivers reliable edge crush strength. Sold in bundles of 25 boxes–ideal for print shops, fulfillment centers, and high-volume shippers.
Boxes - Corrugated

17.25x11.25x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 17116

17 1/4 x 11.25 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$33.25 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes sized 16" × 12" × 16" for reliable mid-sized shipments and storage. Ships flat to maximize warehouse space and reduce freight costs. Buy in bundles of 25 for volume savings and consistent stacking performance.
Boxes - Corrugated

16x12x16 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 161216

16 x 12 x 16 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$85.51 / BUNDLE
IN STOCK ECT-48 double wall corrugated boxes designed for maximum protection and stacking performance. These 14x14x14 kraft cartons deliver heavy-duty strength for demanding shipments, warehouses, and fulfillment operations. Sold in bundles of 15 and ship flat to maximize storage efficiency.
Boxes - Corrugated

14x14x14 ECT-48 Double Wall Corrugated Shipping Boxes 15-Pack

PN: HD141414DW

14 x 14 x 14 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$48.46 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 8x8x20 dimensions–built for tall items like fishing rods, trophies, and shelving. End-loading design speeds packing and sealing. Sold in bundles of 25, shipped flat to maximize warehouse efficiency.
Boxes - Corrugated

8x8x20 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 8820

8 x 8 x 20 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$33.76 / BUNDLE
IN STOCK Ship forms, catalogs, and letterhead safely in these 17.25" x 11.5" x 6" ECT-32 kraft corrugated boxes. Single-wall construction rated for reliable stacking and freight efficiency. Sold in bundles of 25–reduce per-unit costs on high-volume orders.
Boxes - Corrugated

17.25x11.5x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 17116R

17 1/4 x 11.5 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$41.60 / BUNDLE
IN STOCK ECT-32 kraft corrugated cartons sized for standard paper formats–protect forms, catalogs, letterhead, and printed materials from damage during transit. This 25-box bundle delivers reliable single-wall construction with proven stacking strength for warehouse and fulfillment operations.
Boxes - Corrugated

17.25x11.25x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 17118

17 1/4 x 11.25 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$36.12 / BUNDLE

Product Help Request

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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 ->