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 ECT-32 single wall kraft corrugated boxes designed for reliable mid-weight shipping and storage. 23x17x12
Boxes - Corrugated

23x17x12" ECT-32 Kraft Corrugated Boxes - Bundle of 10

PN: 231712

23 x 17 x 12 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$34.46 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 22
Boxes - Corrugated

22x18x16 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 221816

22 x 18 x 16 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$56.35 / BUNDLE
IN STOCK Industrial-grade 22x18x12
Boxes - Corrugated

22x18x12" ECT-32 Kraft Corrugated Boxes - Bundle of 15

PN: 221812

22 x 18 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$49.64 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 22x18x10
Boxes - Corrugated

22x18x10 Shipping Boxes — ECT-32 Kraft Corrugated, 20-Pack

PN: 221810

22 x 18 x 10 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$97.45 / BUNDLE
IN STOCK Heavy-duty ECT-32 single-wall corrugated cartons sized 22
Boxes - Corrugated

22x18x8 ECT-32 Kraft Corrugated Cartons - Industrial Strength, Bundle of 20

PN: 22188

22 x 18 x 8 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$58.99 / BUNDLE
IN STOCK Optimize your fulfillment with these ECT-32 kraft corrugated boxes in a compact 22
Boxes - Corrugated

22x18x6" ECT-32 Kraft Corrugated Boxes - Shallow Depth Shipping, Bundle of 20

PN: 22186

22 x 18 x 6 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$55.77 / BUNDLE
IN STOCK Professional-grade 20x20x18 corrugated boxes built from ECT-32 kraft material deliver reliable stacking strength and freight efficiency for high-volume warehouses. Sold in bundles of 10, these heavy-duty shipping cartons maximize pallet density while maintaining superior crush resistance. Cost-effective, recyclable packaging for fulfillment centers handling mid-to-heavy loads.
Boxes - Corrugated

20x20x18 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 202018

20 x 20 x 18 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$40.59 / BUNDLE
IN STOCK Professional-grade 20x20x16 corrugated shipping boxes manufactured from ECT-32 kraft single-wall material. Bundle of 15 boxes delivers proven stacking performance and freight efficiency for warehouse managers and fulfillment centers. Recyclable cardboard construction reduces disposal costs.
Boxes - Corrugated

20x20x16 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 202016

20 x 20 x 16 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$58.42 / BUNDLE
IN STOCK Professional-grade 20x20x15
Boxes - Corrugated

20x20x15" ECT-32 Kraft Corrugated Boxes - Bundle of 20

PN: 202015

20 x 20 x 15 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$76.59 / BUNDLE
IN STOCK Industrial-grade 20x20x14 corrugated shipping boxes engineered for reliable mid-size product protection. ECT-32 kraft construction delivers proven stacking strength and crush resistance. Bundle of 15 flat-packed cartons ships efficiently, reducing freight costs and warehouse storage footprint.
Boxes - Corrugated

20x20x14 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 202014

20 x 20 x 14 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$58.96 / BUNDLE
IN STOCK Maximize your fulfillment efficiency with these ECT-44 heavy-duty corrugated boxes–40% stronger than standard shipping containers for superior protection and stacking performance. Each 20x20x12 kraft carton is engineered for high-volume operations, sold flat in bundles of 10 to reduce freight costs and storage footprint.
Boxes - Corrugated

20x20x12 ECT-44 Heavy-Duty Kraft Corrugated Boxes - Bundle of 10

PN: HD202012

20 x 20 x 12 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$50.43 / BUNDLE
IN STOCK Reduce SKU complexity and cut parcel shipping costs with these pre-scored 20x20x12 corrugated boxes. Fold to 4
Boxes - Corrugated

20x20x12 Multi-Depth Corrugated Boxes, ECT-32 Kraft - Adjustable (Bundle of 15)

PN: MD202012

20 x 20 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$61.55 / BUNDLE
IN STOCK Standard-strength ECT-32 kraft corrugated boxes sized 20
Boxes - Corrugated

20x20x12 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 202012

20 x 20 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$46.29 / BUNDLE
IN STOCK Industrial-grade 20x20x11 corrugated shipping boxes built from ECT-32 kraft material for reliable stacking and freight efficiency. This bundle includes 15 boxes–the standard choice for warehouse managers and fulfillment operations seeking cost-effective, recyclable packaging solutions without compromising durability.
Boxes - Corrugated

20x20x11 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 202011

20 x 20 x 11 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$55.91 / BUNDLE
IN STOCK Ship shallow products efficiently with these 20x20x8
Boxes - Corrugated

20x20x8 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 20208

20 x 20 x 8 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$46.88 / BUNDLE
IN STOCK Ship shallow products efficiently with these 20x20x7 kraft corrugated boxes rated ECT-32 single wall construction. Ideal for apparel, books, frames, and artwork, this bundle of 15 arrives flat to minimize storage footprint and reduce inbound freight spend.
Boxes - Corrugated

20x20x7 Kraft Corrugated Boxes ECT-32 Single Wall - Bundle of 15

PN: 20207

20 x 20 x 7 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$67.36 / 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.