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

Boxes Mailers — compare in-stock Packrift options by exact spec, with public pricing and no account required. Ships from 5 US warehouses (Central IL, NE PA, South TX, SE GA, West CA), routed to the location nearest you. Below are verified catalog SKUs, collection paths, and a bulk-quote route.

What To Buy Here

  • You need a Packrift buying path for Boxes Mailers.
  • You want verified SKU links, current catalog specs, and a quote route instead of thin search copy.
  • You are comparing product fit before reordering or requesting a bulk quote.

Catalog Matches

SKU Product Dimensions Material Color Pack
1066 10x6x6 ECT-32 Kraft Long Corrugated Boxes - 25 Bundle 10 x 6 x 6 kraft corrugated kraft 25
1054 10x5x4 ECT-32 Kraft Corrugated Boxes - Long Side Opening, 25 Bundle 10 x 5 x 4 kraft corrugated kraft 25
1265 12x6x5" ECT-32 Kraft Corrugated Long Boxes - 25 Bundle 12 x 6 x 5 kraft corrugated kraft 25
1333 13x3x3 ECT-32 Kraft Corrugated Long Boxes - Easy Pack, 25 Bundle 13 x 3 x 3 kraft corrugated kraft 25
1388 13x8x8 ECT-32 Kraft Corrugated Boxes - Long Item Shipping, 25 Bundle 13 x 8 x 8 kraft corrugated kraft 25
1466 14x6x6" ECT-32 Kraft Corrugated Boxes - Long Item Shipping, 25 Bundle 14 x 6 x 6 kraft corrugated kraft 25
1477 14x7x7 ECT-32 Kraft Corrugated Boxes - Long Item Shipping, 25-Pack 14 x 7 x 7 kraft corrugated kraft 25
1664 16x6x4 ECT-32 Kraft Corrugated Boxes - Easy Pack Long Design, 25 Bundle 16 x 6 x 4 kraft corrugated kraft 25

Open a product page for current pricing and availability.

How To Choose

  • Start with the SKU row whose dimensions, material, color, and pack quantity match your current job.
  • Open the PDP before ordering when a field says not listed in current catalog data.
  • Use the bulk quote path for larger, recurring, mixed-SKU, or freight-sensitive purchases.

When Not To Use

  • Do not infer unlisted product specs from similar SKUs.
  • Do not use this page for regulated, food-contact, outdoor exposure, or load-rating requirements unless the exact SKU record verifies that requirement.

Substitutes and Accessories

Reorder or Bulk Quote

For reorders, use the linked PDP SKU or the reorder-by-SKU path. For larger or mixed orders, use the bulk quote path and include SKU, quantity, destination ZIP, and timing.

Related Paths

FAQ

Which products match this page?
The Catalog Matches table above lists verified in-stock SKUs for Boxes Mailers, with current dimensions, material, color, and pack quantity. Open a product page for full specs and current pricing.
What should I do when a field is not listed?
Do not infer it. Use the PDP or bulk quote path so the order can be checked against current catalog data.
Can I request a quote instead of ordering one SKU?
Yes. Use the bulk quote path with the relevant SKU list, quantities, destination ZIP, and required timing.

3086 Results

showing boxes & mailers products

IN STOCK Ship smarter with these 28x18x8
Boxes - Corrugated

28x18x8" ECT-32 Kraft Corrugated Shipping Boxes - Bundle of 15

PN: 28188

28 x 18 x 8 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$68.33 / BUNDLE
IN STOCK Heavy-duty ECT-44 corrugated cartons with pre-scored multi-depth design–cut to size and eliminate wasted space that triggers dimensional weight surcharges. 40% stronger than standard shipping containers. Sold as bundle of 10.
Boxes - Corrugated

26x20x20 ECT-44 Heavy-Duty Multi-Depth Corrugated Boxes - Bundle of 10

PN: MDHD262020

26 x 20 x 20 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$71.94 / BUNDLE
IN STOCK Heavy-duty ECT-32 kraft corrugated shipping cartons in 26
Boxes - Corrugated

26x20x20 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 262020

26 x 20 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$50.47 / BUNDLE
IN STOCK Industrial-grade 26x20x18
Boxes - Corrugated

26x20x18" ECT-32 Kraft Corrugated Boxes - Durable Shipping, Bundle of 10

PN: 262018

26 x 20 x 18 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$49.05 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 26
Boxes - Corrugated

26x20x16 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 262016

26 x 20 x 16 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$45.13 / BUNDLE
IN STOCK Ship and store clothing efficiently with our 26x20x12 ECT-32 kraft corrugated boxes. Each bundle includes 15 boxes engineered for garment protection, with or without hangers. Single-wall construction delivers cost-effective strength and optimal freight utilization for warehouse operations.
Boxes - Corrugated

26x20x12 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 262012

26 x 20 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$82.22 / BUNDLE
IN STOCK Ship apparel efficiently with these 26x20x10 corrugated cartons manufactured from ECT-32 single wall kraft material. Bundle of 15 boxes provides immediate inventory at volume savings. Engineered for reliable stacking performance and hanger compatibility in garment fulfillment operations.
Boxes - Corrugated

26x20x10 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 262010

26 x 20 x 10 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$77.04 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes engineered for garment shipping and storage. 26
Boxes - Corrugated

26x20x8 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 26208

26 x 20 x 8 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$90.13 / BUNDLE
IN STOCK Ship lightweight products efficiently with these 26x20x6 ECT-32 kraft corrugated boxes. The shallow 6
Boxes - Corrugated

26x20x6 Shipping Boxes — ECT-32 Kraft Corrugated, 20-Pack

PN: 26206

26 x 20 x 6 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$88.99 / BUNDLE
IN STOCK Ship shallow products efficiently with these 26x20x4 ECT-32 kraft corrugated boxes. Perfect for apparel, books, artwork, and frames. Bundle of 20 flat boxes reduces storage footprint and freight expenses while maintaining superior stacking strength.
Boxes - Corrugated

26x20x4 Shipping Boxes — ECT-32 Kraft Corrugated, 20-Pack

PN: 26204

26 x 20 x 4 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$70.12 / BUNDLE
IN STOCK ECT-44 kraft corrugated side loading boxes designed for high-volume fulfillment operations. 36
Boxes - Corrugated

36x8x30 ECT-44 Kraft Side Loading Boxes - Bundle of 10

PN: HD36830FOL

36 x 8 x 30 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$124.47 / BUNDLE
IN STOCK Maximize warehouse efficiency with these 36x5x36 side loading corrugated boxes featuring full overlap (FOL) flaps for enhanced product protection. Constructed from ECT-32 kraft single-wall material with 3.8 cubic foot capacity, this bundle of 20 ships flat to reduce storage footprint and freight costs–the smart choice for fulfillment directors managing high-volume operations.
Boxes - Corrugated

36x5x36 ECT-32 Side Loading Boxes Full Overlap - Bundle of 20

PN: 36536FOL

36 x 5 x 36 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$110.33 / BUNDLE
IN STOCK Heavy-duty ECT-32 single-wall corrugated boxes sized 29
Boxes - Corrugated

29x17x20 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 291720

29 x 17 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$52.93 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 29
Boxes - Corrugated

29x17x15 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 291715

29 x 17 x 15 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$64.52 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes designed for apparel distribution. 29
Boxes - Corrugated

29x17x7 Shipping Boxes — ECT-32 Kraft Corrugated, 20-Pack

PN: 29177

29 x 17 x 7 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$103.11 / BUNDLE
IN STOCK ECT-48 double wall kraft corrugated boxes engineered for maximum protection and stacking performance. 28
Boxes - Corrugated

28x18x18 ECT-48 Double Wall Kraft Boxes - Heavy-Duty Shipping, Bundle of 10

PN: HD281818DW

28 x 18 x 18 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$115.64 / 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 needs, send support the details before placing a large order.

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 calculator -> Contact support for larger orders -> Compare corrugated box types -> View products below ->

Buying FAQ

What should I check before buying Boxes & Mailers?

Compare Inside dimensions, Board grade or strength rating, Box style and closure, Case or bundle quantity before choosing a product from this collection.

Can I buy Boxes & Mailers online?

Use the product grid to open a product page, confirm the SKU, quantity, unit, availability, and price, then add available products to cart.

When should I contact support?

Contact support for pallet, recurring, mixed-SKU, or uncertain-fit orders, or when the product page does not answer the size, quantity, or delivery question.