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 10x10x40 ECT-32 Kraft Corrugated Boxes - Tall Shipping, Bundle of 25
Boxes - Corrugated

10x10x40 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 101040

10 x 10 x 40 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$72.64 / BUNDLE
IN STOCK Ship tall items with confidence using our 8x8x42 corrugated boxes in ECT-32 kraft single-wall construction. End-loading design speeds packing and sealing. Sold as bundle of 20–ideal for warehouses and fulfillment centers shipping trophies, shelving, rods, and poles.
Boxes - Corrugated

8x8x42 Shipping Boxes — ECT-32 Kraft Corrugated, 20-Pack

PN: 8842

8 x 8 x 42 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$81.50 / BUNDLE
IN STOCK Space-efficient 4x4x46 tall corrugated boxes made from ECT-32 kraft single wall material. End-load design enables fast, efficient packing and sealing operations. Ships flat in bundles of 25–perfect for warehouses requiring vertical storage solutions without the weight penalty of mailing tubes.
Boxes - Corrugated

4x4x46 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 4446

4 x 4 x 46 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$81.21 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 20x20x30
Boxes - Corrugated

20x20x30 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 202030

20 x 20 x 30 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$58.19 / BUNDLE
IN STOCK Heavy-duty ECT-48 double wall corrugated boxes built for demanding warehouse and fulfillment operations. 25x25x25 cube dimensions maximize pallet density and reduce freight costs. Ships flat to save 80% storage space–order in bundles of 5.
Boxes - Corrugated

25x25x25 ECT-48 Double Wall Kraft Box - Heavy Duty Cube, Bundle of 5

PN: HD252525DW

25 x 25 x 25 in ECT-48 Double Wall Corrugated 5 PER BUNDLE
$92.76 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 24x24x26
Boxes - Corrugated

24x24x26" ECT-32 Kraft Corrugated Boxes - Heavy-Duty Shipping, Bundle of 10

PN: 242426

24 x 24 x 26 in ECT-32 Corrugated 10 PER BUNDLE
$102.78 / BUNDLE
IN STOCK Ship tall items efficiently with these 15x15x36 corrugated boxes made from sturdy ECT-32 kraft material. End-loading design allows fast insertion and sealing. Bundle of 15 boxes ships flat to maximize freight efficiency and reduce storage footprint.
Boxes - Corrugated

15x15x36 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 151536

15 x 15 x 36 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$87.39 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes in 26x26x20
Boxes - Corrugated

26x26x20 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 262620

26 x 26 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$73.66 / BUNDLE
IN STOCK Industrial-grade 26x26x14 corrugated boxes rated ECT-32 for reliable stacking and freight performance. This 10-pack bundle of kraft shipping cartons ships and stores flat, maximizing your warehouse space while reducing handling costs. Built tough for repeated use in fulfillment operations.
Boxes - Corrugated

26x26x14 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 262614

26 x 26 x 14 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$92.29 / BUNDLE
IN STOCK Ship long, narrow items with confidence using these 48x4x4 ECT-32 kraft corrugated boxes. Wide openings along the 48
Boxes - Corrugated

48x4x4 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 4844

48 x 4 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$78.13 / BUNDLE
IN STOCK Ship long, narrow items efficiently with 40x12x12 ECT-32 kraft corrugated boxes featuring wide long-side openings for fast packing. Each bundle includes 15 boxes–ideal for wine bottles, umbrellas, carpet rolls, and specialty items. Reduce wasted space and cut per-unit shipping costs.
Boxes - Corrugated

40x12x12 ECT-32 Kraft Long Corrugated Boxes - 15/Bundle

PN: 401212

40 x 12 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$58.16 / BUNDLE
IN STOCK Professional-grade 36x16x16 corrugated shipping boxes featuring ECT-48 double wall kraft construction for maximum stacking strength and load protection. Ideal for heavy items, mid-size freight, and high-volume warehouses. Ships flat in bundles of 10 to minimize storage footprint and reduce inbound freight costs.
Boxes - Corrugated

36x16x16 ECT-48 Double Wall Kraft Boxes - Heavy-Duty Shipping, Bundle of 10

PN: HD361616DW

36 x 16 x 16 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$131.27 / BUNDLE
IN STOCK Heavy-duty 36x16x16 corrugated shipping boxes rated ECT-32 for reliable stacking and protection of medium-weight industrial shipments. Sold in convenient bundles of 15 kraft cartons, these brown corrugated boxes maximize freight efficiency and reduce per-unit packaging costs. Made from recyclable kraft material–built for warehouse and fulfillment operations.
Boxes - Corrugated

36x16x16 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 361616

36 x 16 x 16 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$74.02 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes sized 36x16x5
Boxes - Corrugated

36x16x5 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 36165

36 x 16 x 5 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$80.62 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 28x24x6
Boxes - Corrugated

28x24x6 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 28246

28 x 24 x 6 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$45.25 / BUNDLE
IN STOCK Heavy-duty 26x26x12 corrugated boxes built from ECT-32 kraft material deliver reliable protection and maximum stacking strength for high-volume shipping operations. Sold in bundles of 10, these kraft cartons are fully recyclable and engineered for freight efficiency. Perfect for warehouse managers seeking cost-effective, dependable cardboard shipping containers.
Boxes - Corrugated

26x26x12 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 262612

26 x 26 x 12 in ECT-32 Corrugated 10 PER BUNDLE
$52.48 / 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.