Boxes & Mailers

SELECTION EXPERT ADVICE

Wall Strength & Load Capacity
MORE INFO
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
MORE INFO
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
MORE INFO
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 Keep apparel on hangers during transit and storage with these heavy-duty ECT-48 double wall wardrobe packing boxes. Each 20x20x45" box features hinged hand holes, up arrows, and a write-on delivery panel–sold as a bundle of 5 to maximize your per-unit savings on freight and storage.
Boxes - Corrugated

20x20x45 ECT-48 Double Wall Wardrobe Boxes 5-Pack

PN: 202045WARD

20 x 20 x 45 in ECT-48 Double Wall Corrugated 5 PER BUNDLE
$99.55 / BUNDLE
IN STOCK Heavy-duty 36x30x12 corrugated shipping boxes with ECT-32 kraft construction deliver superior stacking strength and freight efficiency for warehouse operations. This bundle of 15 boxes provides the industry-standard protection your fulfillment center demands. Recyclable corrugated cartons reduce waste while maximizing volume per pallet.
Boxes - Corrugated

36x30x12 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 15-Pack

PN: 363012

36 x 30 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$168.49 / BUNDLE
IN STOCK ECT-48 kraft telescoping outer cartons designed for tall and irregularly shaped items with maximum crush resistance. Adjustable two-piece construction expands to accommodate variable heights while maintaining full overlap (FOL) bottom strength. Sold as bundle of 5–pair with T24857INDW inner carton for complete telescoping box set.
Boxes - Corrugated

24x8x57 ECT-48 Adjustable Double Wall Telescoping Outer Boxes 5-Pack

PN: T24857OUTDW

24 x 8 x 57 in ECT-48 Double Wall Corrugated 5 PER BUNDLE
$101.85 / BUNDLE
IN STOCK Industry-standard 60x6x6 long corrugated boxes engineered for space-saving flat storage and freight efficiency. ECT-32 kraft construction delivers proven stacking strength for warehouse operations. Each bundle includes 15 boxes ready for immediate deployment.
Boxes - Corrugated

60x6x6 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 6066

60 x 6 x 6 in ECT-32 Corrugated 15 PER BUNDLE
$82.84 / BUNDLE
IN STOCK Industrial-grade 46x20x12" corrugated shipping boxes with ECT-32 single-wall construction deliver reliable stacking strength for high-volume fulfillment operations. Kraft kraft boxes ship flat to maximize warehouse space and reduce freight costs. Bundle of 10 cartons per package–the standard choice for warehouse managers managing heavy-duty distribution.
Boxes - Corrugated

46x20x12 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 462012

46 x 20 x 12 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$130.65 / BUNDLE
IN STOCK ECT-44 single wall kraft corrugated boxes engineered for side loading applications and vertical stacking. 18" × 7" × 52" dimensions optimize warehouse density while maintaining superior compressive strength. Ships and stores flat–reduce freight costs and storage overhead with every bundle of 5.
Boxes - Corrugated

18x7x52 ECT-44 Kraft Side Loading Boxes 5-Pack

PN: HD18752FOL

18 x 7 x 52 in ECT-44 Single Wall Corrugated 5 PER BUNDLE
$76.30 / BUNDLE
IN STOCK Ship tall items efficiently with 6x6x60 ECT-32 kraft corrugated boxes–sold as a bundle of 15, flat-packed for storage. End-loading design enables fast insertion and sealing. Ideal replacement for mailing tubes with superior stacking strength.
Boxes - Corrugated

6x6x60 ECT-32 Kraft Tall Corrugated Shipping Boxes 15-Pack

PN: 6660

6 x 6 x 60 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$53.33 / BUNDLE
IN STOCK Ship and store hanging garments directly in these heavy-duty 24x20x46 wardrobe packing boxes. Built from ECT-48 double wall corrugated kraft for maximum stacking strength and freight efficiency. Bundle of 5 boxes with hinged hand holes and delivery destination panel–reduce handling time and damage risk.
Boxes - Corrugated

24x20x46 ECT-48 Wardrobe Boxes 5-Pack

PN: 242046WARD

24 x 20 x 46 in ECT-48 Double Wall Corrugated 5 PER BUNDLE
$107.83 / BUNDLE
IN STOCK Heavy-duty ECT-44 single wall corrugated shipping cartons designed for side loading applications. 20" × 8" × 50" kraft boxes ship flat to maximize warehouse efficiency and reduce freight costs. Industry-standard performance–sold in bundles of 5 for volume savings.
Boxes - Corrugated

20x8x50 ECT-44 Kraft Side Loading Boxes 5-Pack

PN: HD20850FOL

20 x 8 x 50 in ECT-44 Single Wall Corrugated 5 PER BUNDLE
$52.68 / BUNDLE
IN STOCK Heavy-duty 18x18x48" corrugated shipping boxes built from ECT-32 kraft material for maximum strength and stacking performance. End-loading design accommodates tall items like trophies, shelving, and fishing rods with ease. Sold as bundles of 10 flat for efficient warehouse storage and freight savings.
Boxes - Corrugated

18x18x48 ECT-32 Kraft Corrugated Boxes 10-Pack

PN: 181848

18 x 18 x 48 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$83.46 / BUNDLE
IN STOCK Heavy-duty 60x8x8" corrugated shipping boxes with ECT-32 kraft construction deliver maximum durability for long, narrow items. Ships and stores flat in a bundle of 15, reducing your warehouse footprint and freight costs. The industry-standard solution for efficient fulfillment operations.
Boxes - Corrugated

60x8x8 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 6088

60 x 8 x 8 in ECT-32 Corrugated 15 PER BUNDLE
$109.64 / BUNDLE
IN STOCK Ship tall items efficiently with these 20x20x48 corrugated boxes featuring ECT-32 kraft construction. End-loading design ensures fast insertion and sealing. Sold as a bundle of 10 and shipped flat to maximize freight efficiency and storage space.
Boxes - Corrugated

20x20x48 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 202048

20 x 20 x 48 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$86.03 / BUNDLE
IN STOCK Ship tall items efficiently with these 8x8x60 corrugated boxes featuring ECT-32 single-wall construction for reliable strength. End-loading design enables fast, secure sealing, ideal for trophies, shelving, rods, and tall merchandise. Sold as a bundle of 15 boxes, flat-packed to maximize freight efficiency and storage.
Boxes - Corrugated

8x8x60 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 8860

8 x 8 x 60 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$80.56 / BUNDLE
IN STOCK Premium ECT-32 kraft corrugated tall boxes sized 6" × 6" × 62" for efficient shipping of long, narrow items like fishing rods, trophies, and shelving units. End-loading design enables fast packing and sealing. Sold in bundles of 15 and shipped flat to maximize warehouse space.
Boxes - Corrugated

6x6x62 ECT-32 Kraft Corrugated Tall Shipping Boxes 15-Pack

PN: 6662

6 x 6 x 62 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$93.63 / BUNDLE
IN STOCK These 60x10x10 long corrugated boxes are the industry standard for efficient shipping and storage. ECT-32 kraft material delivers reliable stacking performance while shipping flat to reduce fulfillment space costs. Bundle of 15 boxes cuts procurement overhead and keeps your operation lean.
Boxes - Corrugated

60x10x10 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 601010

60 x 10 x 10 in ECT-32 Corrugated 15 PER BUNDLE
$131.17 / BUNDLE
IN STOCK 10x10x60 ECT-32 Kraft Corrugated Boxes - Bundle of 15
Boxes - Corrugated

10x10x60 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 101060

10 x 10 x 60 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$109.94 / 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

Save the SKU or product link for repeat purchasing and support questions.

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 ->