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 4x4x74 Kraft Corrugated Shipping Boxes, 200 Pack Pallet, 32 ECT
Boxes - Corrugated

4x4x74 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 4474

4 x 4 x 74 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$55.67 / BUNDLE
IN STOCK Maximize tall item shipping with adjustable ECT-32 telescoping inner boxes. The 8x8x72" kraft corrugated carton features a two-piece design that compresses for freight efficiency when empty and expands to secure irregularly shaped products. Sold in bundles of 15–pair with matching T8872OUTER outer boxes to create a complete telescoping set.
Boxes - Corrugated

8x8x72 ECT-32 Kraft Corrugated Telescoping Inner Box 15-Pack

PN: T8872INNER

8 x 8 x 72 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$154.27 / BUNDLE
IN STOCK Adjustable two-piece telescoping outer boxes designed for tall and irregularly shaped items. ECT-32 kraft corrugated construction with full overlap (FOL) bottom delivers superior stacking strength and freight efficiency. Sold as a bundle of 15–pair with T8872INNER cartons to complete your tall box solution.
Boxes - Corrugated

8.5x8.5x72 ECT-32 Telescoping Outer Boxes 15-Pack

PN: T8872OUTER

8 1/2 x 8 1/2 x 72 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$163.61 / BUNDLE
IN STOCK 10x10x72" Telescoping Inner Boxes, ECT-32 Kraft, Bundle of 15
Boxes - Corrugated

10x10x72 ECT-32 Kraft Telescoping Inner Boxes 15-Pack

PN: T101072INNER

10 x 10 x 72 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$184.65 / BUNDLE
IN STOCK 10x10x72 ECT-32 Kraft Corrugated Boxes - Bundle of 15
Boxes - Corrugated

10x10x72 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 101072

10 x 10 x 72 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$167.32 / BUNDLE
IN STOCK 10.5x10.5x72" Telescoping Outer Kraft Corrugated Box ECT-32 - Bundle of 15
Boxes - Corrugated

10.5x10.5x72 ECT-32 Kraft Telescoping Outer Corrugated Box 15-Pack

PN: T101072OUTER

10 1/2 x 10 1/2 x 72 in ECT-32 Corrugated 15 PER BUNDLE
$195.83 / BUNDLE
IN STOCK Maximize vertical shipping efficiency with adjustable ECT-32 kraft telescoping outer boxes sized 12.5x12.5x72". The two-piece adjustable design accommodates tall and irregularly shaped items while FOL bottom construction delivers superior stacking strength. Sold in bundles of 15–pair with matching inner cartons for complete packaging solution.
Boxes - Corrugated

12.5x12.5x72 ECT-32 Telescoping Outer Boxes 15-Pack

PN: T121272OUTER

12 1/2 x 12 1/2 x 72 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$231.37 / BUNDLE
IN STOCK Adjustable two-piece telescoping inner boxes designed for tall and irregularly shaped items up to 72" in height. Manufactured from ECT-32 kraft corrugated with full overlap (FOL) bottom construction for maximum stacking strength. Sold as a 15-pack bundle–pair with T121272OUTER to complete your shipping solution.
Boxes - Corrugated

12x12x72 ECT-32 Kraft Telescoping Inner Boxes 15-Pack

PN: T121272INNER

12 x 12 x 72 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$219.30 / BUNDLE
IN STOCK Ship tall items efficiently with these 12x12x72 corrugated boxes featuring ECT-32 kraft construction. End-loading design simplifies insertion and sealing. Sold as a bundle of 10 and shipped flat to maximize your warehouse space and freight efficiency.
Boxes - Corrugated

12x12x72 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 121272

12 x 12 x 72 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$100.93 / BUNDLE
IN STOCK Industrial-grade moving box combo featuring 15 deluxe packing boxes in three sizes (16x12x12", 18x18x16", 18x18x24") with 1.5 to 4.5 cubic foot capacity. Manufactured from ECT-32 single wall corrugated with special flap tabs for faster packing and pre-printed fragile warnings, directional arrows, and write-on destination panels.
Boxes - Corrugated

ECT-32 Deluxe Moving Box Combo Pack 15 Boxes 3 Sizes

PN: MBCOMBO1

ECT-32 Single Wall Corrugated 1 PER CASE
$63.09 / CASE
IN STOCK Ship or store clothing on hangers without removal–Packrift's wardrobe packing boxes eliminate folding, wrinkles, and damage. Each case of 3 includes 20x20x45" corrugated shipping cartons plus hanger bars. ECT-48 double wall construction handles repeated use and rough handling.
Boxes - Corrugated

20x20x45 ECT-48 Wardrobe Packing Boxes 3/Case

PN: WARDCOMBO

20 x 20 x 45 in ECT-48 Double Wall Corrugated 3 PER CASE
$69.25 / CASE
IN STOCK Ship up to 6 CDs in jewel cases with professional protection. One-piece die-cut mailers feature integrated locking tabs–no tape, glue, or extra materials needed. Manufactured from white ECT-32 corrugated for reliable crush resistance and a polished brand presentation. Bundle of 50 mailers ready to ship.
Boxes - Mailers

5 5/8 x 5 x 2 9/16 in White Corrugated CD Mailers 50-Pack

PN: MLRCD6

5 5/8 x 5 x 2 9/16 in ECT-32-B Corrugated 50 PER BUNDLE
$55.45 / BUNDLE
IN STOCK Professional-grade CD mailers engineered for e-commerce brands shipping audio and video content. One-piece construction with integrated locking tabs eliminates tape and reduces prep time. ECT-32 white corrugated delivers crush-resistant protection for standard jewel cases–50 units per bundle.
Boxes - Mailers

5 5/8 x 5 x 7/16 in White Corrugated CD Mailers 50/Bundle

PN: MLRCD

5 5/8 x 5 x 7/16 in ECT-32-B Corrugated 50 PER BUNDLE
$26.42 / BUNDLE
IN STOCK Professional white corrugated CD literature mailers (11 1/8" x 8 3/4" x 2") with integrated insert to secure CDs and accommodate up to 1" of documents. ECT-32-B material delivers crush-resistant protection. Folds and tucks with no tape needed–ships 50 per bundle.
Boxes - Mailers

11 1/8 x 8 3/4 x 2 in White Corrugated CD Literature Mailers 50/Bundle

PN: CDLM1182

11 1/8 x 8 3/4 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$257.25 / BUNDLE
IN STOCK 10.25x12.6875" White Corrugated CD Literature Mailer Inserts - 50 Pack
Boxes - Mailers

10.25x12.6875 White Corrugated CD Literature Mailer Inserts 50-Pack

PN: MLRCDI

10 1/4 x 12.6875 in ECT-32-B Corrugated 50 PER BUNDLE
$27.34 / BUNDLE
IN STOCK Move retail goods faster with our 8x8x3.5" black gloss gift boxes–case of 100 units ready to ship. One-piece construction sets up in seconds, ships flat to maximize storage efficiency. Perfect for e-commerce, retail display, and shipping compliance.
Chipboard Cartons

8x8x3.5 Black Gloss Gift Boxes 100/Case

PN: GB883BK

8 x 8 x 3 1/2 in Fibreboard 100 PER CASE
$329.50 / CASE

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 ->