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.

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 corrugated boxes sized 36
Boxes - Corrugated

36x20x9" ECT-32 Kraft Corrugated Boxes - 15 Pack Bundle

PN: 36209

36 x 20 x 9 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$130.23 / BUNDLE
IN STOCK ECT-44 heavy-duty multi-depth kraft corrugated cartons deliver 40% greater stacking strength than standard shipping containers. Pre-scored sides adjust from full 32x24x24 depth down to smaller profiles–one SKU replaces multiple box sizes, cutting inventory and storage overhead. Includes 10 flat-packed boxes per bundle.
Boxes - Corrugated

32x24x24 ECT-44 Heavy-Duty Multi-Depth Corrugated Boxes - Bundle of 10

PN: MDHD322424

32 x 24 x 24 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$99.61 / BUNDLE
IN STOCK Heavy-duty ECT-32 kraft corrugated boxes built for industrial warehouse and fulfillment operations. These 28x28x12 shipping cartons deliver reliable stacking strength and freight efficiency in convenient bundles of 10. Recyclable material supports sustainable packaging practices.
Boxes - Corrugated

28x28x12 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 282812

28 x 28 x 12 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$66.20 / BUNDLE
IN STOCK Professional-grade 28
Boxes - Corrugated

28x28x8 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 28288

28 x 28 x 8 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$113.95 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes sized 28x28x6 inches–engineered for shallow products that don't need deep cartons. Ships flat in bundles of 10 to maximize your warehouse efficiency and reduce freight costs on storage and transport.
Boxes - Corrugated

28x28x6 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 28286

28 x 28 x 6 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$58.99 / BUNDLE
IN STOCK Adjustable telescoping inner boxes designed for tall and irregularly shaped items. Manufactured from ECT-32 single-wall kraft corrugated with full overlap bottom reinforcement. Sold as bundle of 10–pair with T161640OUTER cartons to complete your two-piece shipping solution.
Boxes - Corrugated

16x16x40 ECT-32 Kraft Telescoping Inner Boxes - Adjustable Design, Bundle of 10

PN: T161640INNER

16 x 16 x 40 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$70.19 / BUNDLE
IN STOCK These 44
Boxes - Corrugated

44x12x12 Shipping Boxes - ECT-32 Kraft Corrugated, 15-Pack

PN: 441212

44 x 12 x 12 in ECT-32 Corrugated 15 PER BUNDLE
$96.49 / BUNDLE
IN STOCK ECT-32 single-wall corrugated boxes sized 36
Boxes - Corrugated

36x20x15 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 362015

36 x 20 x 15 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$111.37 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 36
Boxes - Corrugated

36x20x12 ECT-32 Kraft Corrugated Shipping Boxes - Bundle of 15

PN: 362012

36 x 20 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$131.56 / BUNDLE
IN STOCK Professional-grade 32x24x24 double wall corrugated boxes built with ECT-48 kraft material for maximum protection and stacking performance. Each bundle of 5 ships flat to maximize warehouse efficiency and reduce freight costs. Ideal for fulfillment centers handling high-volume, high-value shipments.
Boxes - Corrugated

32x24x24 ECT-48 Double Wall Corrugated Boxes - Heavy Duty Shipping, Bundle of 5

PN: HD322424DW

32 x 24 x 24 in ECT-48 Double Wall Corrugated 5 PER BUNDLE
$64.26 / BUNDLE
IN STOCK Industrial-grade 28x28x20 corrugated boxes built from ECT-32 kraft material deliver proven stacking strength and shipping protection. Each bundle includes 10 boxes, optimizing freight density and reducing per-unit costs for high-volume operations. Recyclable kraft construction meets sustainability requirements while maintaining structural integrity.
Boxes - Corrugated

28x28x20 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 282820

28 x 28 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$82.71 / BUNDLE
IN STOCK Heavy-duty 28x28x12 double wall corrugated boxes with ECT-48 kraft construction deliver superior stacking strength and impact resistance for demanding warehouse environments. These shipping cartons ship and store completely flat, maximizing your freight efficiency and storage capacity. Bundle of 10 boxes–the industrial standard for safe, cost-effective shipping.
Boxes - Corrugated

28x28x12 ECT-48 Double Wall Corrugated Boxes - Heavy Duty Kraft, Bundle of 10

PN: HD282812DW

28 x 28 x 12 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$209.10 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 28
Boxes - Corrugated

28x28x10 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 282810

28 x 28 x 10 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$110.07 / BUNDLE
IN STOCK Adjustable 8x8x48
Boxes - Corrugated

8x8x48 ECT-48 Double Wall Telescoping Inner Boxes - Adjustable, Bundle of 15

PN: T8848INNERDW

8 x 8 x 48 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$139.49 / BUNDLE
IN STOCK Ship tall items with confidence using our 8x8x48 ECT-32 kraft corrugated boxes. End-loading design enables fast, efficient packing of rods, trophies, and shelving units. Bundle of 20 ships flat to maximize your warehouse space and reduce freight costs.
Boxes - Corrugated

8x8x48 Shipping Boxes — ECT-32 Kraft Corrugated, 20-Pack

PN: 8848

8 x 8 x 48 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$78.97 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 6
Boxes - Corrugated

6x6x50 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 6650

6 x 6 x 50 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$128.98 / 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.

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.