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 kraft corrugated boxes sized 20
Boxes - Corrugated

20x20x6" ECT-32 Kraft Corrugated Boxes - Shallow Depth, Bundle of 15

PN: 20206

20 x 20 x 6 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$40.40 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 20x20x4
Boxes - Corrugated

20x20x4" ECT-32 Kraft Corrugated Boxes - Shallow Depth Shipping, Bundle of 10

PN: 20204

20 x 20 x 4 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$26.06 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 20x20x2
Boxes - Corrugated

20x20x2 Shipping Boxes — ECT-32 Kraft Corrugated, 20-Pack

PN: 20202

20 x 20 x 2 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$88.01 / BUNDLE
IN STOCK Ship tall items efficiently with our 4x4x36 corrugated boxes–ECT-32 kraft single wall construction delivers proven strength at competitive bulk pricing. End-loading design speeds packing operations. Bundle of 25 ships flat to maximize freight efficiency.
Boxes - Corrugated

4x4x36 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 4436

4 x 4 x 36 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$40.68 / BUNDLE
IN STOCK Ship long and narrow items efficiently with our 32x8x8 ECT-32 kraft corrugated boxes. Wide lengthwise opening speeds packing for wine bottles, umbrellas, carpet rolls, and similar products. Sold and shipped flat in bundles of 25 for maximum freight efficiency and volume savings.
Boxes - Corrugated

32x8x8 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 3288

32 x 8 x 8 in ECT-32 Corrugated 25 PER BUNDLE
$44.63 / BUNDLE
IN STOCK ECT-32 single wall corrugated boxes sized 28
Boxes - Corrugated

28x12x8 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 28128

28 x 12 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$89.51 / BUNDLE
IN STOCK Industrial-grade ECT-48 double wall corrugated boxes designed for warehouse and fulfillment operations requiring maximum protection and stacking performance. These 24 x 16 x 16
Boxes - Corrugated

24x16x16 ECT-48 Double Wall Kraft Shipping Boxes - Bundle of 10

PN: HD241616DW

24 x 16 x 16 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$56.06 / BUNDLE
IN STOCK ECT-48 kraft double wall corrugated boxes engineered for maximum protection and stacking performance. These 24
Boxes - Corrugated

24x16x12 ECT-48 Double Wall Shipping Boxes - Heavy-Duty Kraft, Bundle of 10

PN: HD241612DW

24 x 16 x 12 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$76.82 / BUNDLE
IN STOCK Industrial-grade ECT-48 double wall corrugated boxes engineered for maximum protection and stacking performance. Each bundle includes 15 flat-shipped kraft cartons, reducing your storage footprint and freight costs while guaranteeing damage-free delivery of mid-weight to heavy merchandise.
Boxes - Corrugated

24x16x8 ECT-48 Double Wall Corrugated Boxes - Heavy-Duty Shipping, 15 Pack

PN: HD24168DW

24 x 16 x 8 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$102.70 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 24
Boxes - Corrugated

24x16x6 Shipping Boxes — ECT-32 Kraft Corrugated, 20-Pack

PN: 24166

24 x 16 x 6 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$48.96 / BUNDLE
IN STOCK Efficient 22x18x4 corrugated shipping boxes in ECT-32 kraft material designed for shallow merchandise and compact freight optimization. Bundle of 25 boxes ships flat to maximize your warehouse storage and reduce dimensional freight charges. Ideal for apparel, books, frames, and artwork shipments.
Boxes - Corrugated

22x18x4 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 22184

22 x 18 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$96.35 / BUNDLE
IN STOCK Heavy-duty ECT-44 single wall corrugated boxes built 40% stronger than standard shipping containers for superior stacking performance and load-bearing capacity. These 20x20x20
Boxes - Corrugated

20x20x20 Heavy-Duty ECT-44 Kraft Corrugated Boxes - Bundle of 10

PN: HD202020

20 x 20 x 20 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$60.58 / BUNDLE
IN STOCK Reduce carton inventory and cut shipping costs with these 20x20x20 multi-depth corrugated boxes. Pre-scored kraft cardboard adjusts to multiple heights–no carton sizer needed. ECT-32 single wall construction delivers strength and reliability. Sold as a bundle of 10.
Boxes - Corrugated

20x20x20" Multi-Depth Corrugated Boxes ECT-32 Kraft - Bundle of 10

PN: MD202020

20 x 20 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$47.66 / BUNDLE
IN STOCK ECT-32 kraft corrugated cube boxes in 20x20x20 dimensions–the industry-standard size for shipping round and cylindrical products with maximum stacking strength. Sold flat in convenient bundles of 10 for efficient warehouse storage and fast fulfillment operations.
Boxes - Corrugated

20x20x20 ECT-32 Kraft Corrugated Cube Box - Bundle of 10

PN: 202020

20 x 20 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$38.72 / BUNDLE
IN STOCK Heavy-duty ECT-48 double wall corrugated boxes engineered for maximum protection and stacking performance. Each bundle includes 10 kraft cartons (20
Boxes - Corrugated

20x20x16 ECT-48 Double Wall Corrugated Boxes - Bundle of 10

PN: HD202016DW

20 x 20 x 16 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$67.47 / BUNDLE
IN STOCK Industrial-grade ECT-48 double wall corrugated boxes with built-in hand holes for efficient warehouse handling. 20
Boxes - Corrugated

20x20x12 ECT-48 Double Wall Hand Hole Box - Bundle of 10

PN: HD202012DWHH

20 x 20 x 12 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$77.35 / 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.