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 Warehouse-ready 14x14x14 white corrugated boxes deliver ECT-32 crush strength with professional presentation. Each bundle contains 25 unprinted cartons–ideal for applying custom labels, shipping instructions, and branding. Same structural performance as kraft, with visual impact that makes your shipments stand out.
Boxes - Corrugated

14x14x14 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 141414W

14 x 14 x 14 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$69.46 / BUNDLE
IN STOCK Fold-to-fit multi-depth corrugated boxes eliminate inventory bloat and reduce parcel shipping costs. Pre-scored sides adjust from 8" to 14" in height–one box replaces multiple cartons. ECT-32 kraft construction, sold as bundle of 25.
Boxes - Corrugated

14x14x14 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD141414

14 x 14 x 14 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$59.89 / BUNDLE
IN STOCK Ship round and irregular items with confidence using these ECT-32 kraft corrugated cube boxes. Each bundle contains 25 flat-packed 14x14x14 cartons, maximizing warehouse storage and freight efficiency. Ideal for fulfillment centers and warehouse managers managing diverse SKU profiles.
Boxes - Corrugated

14x14x14 ECT-32 Kraft Corrugated Cube Shipping Boxes 25-Pack

PN: 141414

14 x 14 x 14 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$48.75 / BUNDLE
IN STOCK ECT-48 rated double wall kraft boxes deliver industry-standard protection for medium-weight shipments. Each 14" x 14" x 12" corrugated carton handles demanding warehouse and fulfillment operations. Bundle of 15 ships flat–maximize your storage efficiency while minimizing freight costs.
Boxes - Corrugated

14x14x12 ECT-48 Kraft Double Wall Corrugated Boxes 15-Pack

PN: HD141412DW

14 x 14 x 12 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$91.63 / BUNDLE
IN STOCK ECT-48 double wall corrugated kraft boxes engineered for maximum durability and stacking performance. 14" x 14" x 8" dimensions provide optimal cubic volume for mid-sized shipments. Bundle of 15 units ships flat to maximize warehouse space and reduce freight costs.
Boxes - Corrugated

14x14x8 ECT-48 Kraft Double Wall Corrugated Boxes 15-Pack

PN: HD14148DW

14 x 14 x 8 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$64.70 / BUNDLE
IN STOCK 14x14x8 Kraft Corrugated Shipping Boxes, 725 Pack Pallet, 32 ECT
Boxes - Corrugated

14x14x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 14148

14 x 14 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$39.28 / BUNDLE
IN STOCK Packrift's 14x14x6 double wall corrugated boxes deliver ECT-48 rated strength for demanding logistics operations. Heavy-duty kraft construction ensures products arrive damage-free while maximizing stacking performance. Bundle of 15 units ships flat, reducing storage footprint and freight costs.
Boxes - Corrugated

14x14x6 ECT-48 Double Wall Corrugated Boxes 15-Pack

PN: HD14146DW

14 x 14 x 6 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$58.64 / BUNDLE
IN STOCK Ship shallow products efficiently with these 14x14x2 ECT-32 kraft corrugated boxes. Engineered for apparel, books, artwork, and picture frames, they arrive flat to maximize your warehouse space and reduce freight costs. Bundle of 25 boxes per case.
Boxes - Corrugated

14x14x2 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 14142

14 x 14 x 2 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$59.43 / BUNDLE
IN STOCK Reliable ECT-32 kraft corrugated shipping boxes sized 13" x 13" x 15"–built for warehouse efficiency and mid-weight product protection. This bundle of 25 boxes delivers consistent stacking performance and cost-per-unit savings. Fully recyclable kraft construction backed by Packrift's B2B supply reliability.
Boxes - Corrugated

13x13x15 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 131315

13 x 13 x 15 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$57.30 / BUNDLE
IN STOCK ECT-48 double-wall corrugated hazmat shipping boxes engineered for 5-gallon pail transport. Each bundle includes 10 boxes (12.5" x 12.5" x 15.1") pre-printed with mandatory hazard warnings and directional arrows. Flat-ship design cuts warehouse storage footprint.
Boxes - Corrugated

12 1/2x12 1/2x15 1/10 ECT-48 Hazmat Shipping Boxes 10-Pack

PN: HAZCO15GP

12 1/2 x 12 1/2 x 15 1/8 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$95.73 / BUNDLE
IN STOCK Enterprise-grade ECT-48 double wall corrugated boxes built for high-velocity fulfillment centers and warehouse operations. These 12.5" x 12.5" x 15" kraft cartons deliver maximum stacking strength and crush resistance–perfect for demanding logistics environments. Ships flat in bundles of 15 to minimize storage footprint and reduce freight spend.
Boxes - Corrugated

12.5x12.5x15 ECT-48 Double Wall Corrugated Boxes 15-Pack

PN: HD121215DW

12 1/2 x 12 1/2 x 15 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$47.18 / BUNDLE
IN STOCK Industrial-grade 12x12x16 corrugated boxes built with ECT-32 kraft material for superior stacking performance and freight efficiency. Each 25-pack bundle reduces per-unit costs and minimizes SKU sprawl in your warehouse. Fully recyclable and tested for demanding B2B shipping applications.
Boxes - Corrugated

12x12x16 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 121216

12 x 12 x 16 in ECT-32 Corrugated 25 PER BUNDLE
$46.85 / BUNDLE
IN STOCK 10x10x18 ECT-32 Kraft Corrugated Boxes - Shipping, Bundle of 25
Boxes - Corrugated

10x10x18 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 25-Pack

PN: 101018

10 x 10 x 18 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$39.35 / BUNDLE
IN STOCK Heavy-duty ECT-32 kraft corrugated boxes sized 4x4x24" for shipping tall items like fishing rods, trophies, and shelving units. End-loading design enables fast, efficient packing and sealing. Sold as a 25-box bundle, shipped flat to maximize freight efficiency and reduce storage footprint.
Boxes - Corrugated

4x4x24 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 4424

4 x 4 x 24 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$33.49 / BUNDLE
IN STOCK Ship flat-panel TVs with confidence using these heavy-duty ECT-44 kraft corrugated boxes. Each 22" × 6" × 16" carton features full overlap flaps and pre-printed fragile messaging on two sides for maximum protection during transit. Buy in bundles of 5 and reduce per-unit packaging costs.
Boxes - Corrugated

22x6x16 ECT-44 Kraft Flat Panel TV Box 5-Pack

PN: 22616FPFOL

22 x 6 x 16 in ECT-44 Single Wall Corrugated 5 PER BUNDLE
$27.65 / BUNDLE
IN STOCK Reliable ECT-32 single wall corrugated boxes in 17.25" x 11.25" x 14.25" dimensions–the trusted choice for warehouse managers and fulfillment operations. These kraft shipping cartons deliver standard strength performance in convenient bundles of 20 units, reducing procurement time and maximizing freight efficiency. Fully recyclable and built for consistent stacking performance.
Boxes - Corrugated

17.25x11.25x14.25 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 171114

17 1/4 x 11.25 x 14 1/4 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$44.42 / 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 ->