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 round and cylindrical items with confidence using our ECT-32 kraft corrugated 4x4x4 cube boxes. Each bundle contains 25 flat-shipped cartons ready for quick assembly. Proven stacking strength and compact footprint maximize freight efficiency for fulfillment operations.
Boxes - Corrugated

4x4x4 ECT-32 Kraft Corrugated Cube Boxes - Bundle of 25

PN: 444

4 x 4 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$8.07 / BUNDLE
IN STOCK Optimize shipping costs for long, narrow products with 6x3x3 ECT-32 kraft corrugated boxes. Wide lengthwise opening for fast packing of wine bottles, umbrellas, and carpet rolls. Bundle of 25 flat cartons ready to assemble.
Boxes - Corrugated

6x3x3 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 633

6 x 3 x 3 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$14.01 / BUNDLE
IN STOCK Dependable 5x4x4 corrugated shipping boxes in ECT-32 kraft single wall construction. Bundle of 25 cartons delivers consistent strength for small-to-medium item fulfillment. Industry-standard kraft material ensures recyclable, cost-effective packaging that stacks efficiently in warehouse operations.
Boxes - Corrugated

5x4x4 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 544

5 x 4 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$11.88 / BUNDLE
IN STOCK Dependable ECT-32 single wall corrugated boxes sized 4
Boxes - Corrugated

4x4x5 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 445

4 x 4 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$15.05 / BUNDLE
IN STOCK 4 7/16x4 7/16x5 ECT-44 Haz Mat Boxes - UN , Bundle of 25
Boxes - Corrugated

4 7/16x4 7/16x5 ECT-44 Haz Mat Boxes - UN Certified, Bundle of 25

PN: HAZCO1Q

4 7/16 x 4 7/16 x 5 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$110.14 / BUNDLE
IN STOCK Dependable 6x4x4 corrugated shipping boxes with ECT-32 single-wall construction deliver reliable protection for small to medium items. These kraft cardboard boxes stack efficiently in warehouse environments and offer proven performance at an economical price point. Order in bundles of 25 and reduce per-unit packaging costs.
Boxes - Corrugated

6x4x4 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 644

6 x 4 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$10.00 / BUNDLE
IN STOCK ECT-32 single wall corrugated boxes in 5x5x3
Boxes - Corrugated

5x5x3 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 553

5 x 5 x 3 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$14.89 / BUNDLE
IN STOCK Scored multi-depth corrugated boxes that fold to your desired height–no carton sizer needed. These 6x4x4 ECT-32 kraft boxes consolidate 3-4 box sizes into one SKU, cutting inventory management and shipping costs. Sold as a bundle of 25.
Boxes - Corrugated

6x4x4 Multi-Depth Corrugated Boxes ECT-32 Kraft - Adjustable, 25-Pack

PN: MD644

6 x 4 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$11.01 / BUNDLE
IN STOCK Heavy-duty 6x4x3
Boxes - Corrugated

6x4x3 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 643

6 x 4 x 3 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$16.61 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 6x4x2
Boxes - Corrugated

6x4x2 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 642

6 x 4 x 2 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$15.51 / BUNDLE
IN STOCK Compact 5x5x5
Boxes - Corrugated

5x5x5" White Corrugated Boxes ECT-32 Single Wall - 25 Pack

PN: 555W

5 x 5 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$20.57 / BUNDLE
IN STOCK ECT-32 kraft corrugated cube boxes sized 5x5x5
Boxes - Corrugated

5x5x5 ECT-32 Kraft Corrugated Cube Boxes - 25 Pack Bundle

PN: 555

5 x 5 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$11.22 / BUNDLE
IN STOCK Reliable 5x5x4 corrugated shipping boxes built from ECT-32 kraft material for cost-effective small-item fulfillment. Standard strength performance ideal for lightweight products, samples, and retail fulfillment. Sold in convenient 25-box bundles to maximize warehouse efficiency and reduce per-unit costs.
Boxes - Corrugated

5x5x4 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 554

5 x 5 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$12.10 / BUNDLE
IN STOCK Dependable ECT-32 single wall corrugated shipping boxes in 4x4x6
Boxes - Corrugated

4x4x6 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 446

4 x 4 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$12.95 / BUNDLE
IN STOCK Packrift's 6x5x5 corrugated boxes deliver proven ECT-32 strength for mid-weight products and everyday fulfillment. Each bundle includes 25 kraft cartons–ready to ship, stack, and recycle. Perfect for warehouse managers seeking dependable, volume-efficient packaging.
Boxes - Corrugated

6x5x5 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 655

6 x 5 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$10.30 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes in 6x5x4 dimensions–the go-to standard strength shipping solution for small to medium items. Sold as a bundle of 25, these recyclable cardboard boxes offer proven durability and cost efficiency for warehouse and fulfillment operations.
Boxes - Corrugated

6x5x4 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 654

6 x 5 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$10.59 / 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.