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

20x18x16 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 201816

20 x 18 x 16 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$35.73 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 20
Boxes - Corrugated

20x18x14" ECT-32 Kraft Corrugated Boxes - Bundle of 10

PN: 201814

20 x 18 x 14 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$34.26 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes designed for warehouse efficiency and reliable mid-weight shipments. 20x18x12 dimensions provide optimal stacking performance and freight versatility. Sold as a convenient bundle of 10 to streamline your bulk ordering.
Boxes - Corrugated

20x18x12 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 201812

20 x 18 x 12 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$32.32 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes in 20x18x10 dimensions deliver reliable standard strength performance for mid-weight products and general fulfillment. Each bundle of 10 boxes provides tested stacking durability and cost-effective inventory management. Fully recyclable kraft material supports sustainable warehouse operations.
Boxes - Corrugated

20x18x10 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 201810

20 x 18 x 10 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$29.42 / BUNDLE
IN STOCK Dependable ECT-32 kraft corrugated boxes sized 20
Boxes - Corrugated

20x18x8 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 20188

20 x 18 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$70.35 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 20
Boxes - Corrugated

20x18x6 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 20186

20 x 18 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$62.88 / BUNDLE
IN STOCK These 20x18x4
Boxes - Corrugated

20x18x4" ECT-32 Kraft Corrugated Boxes - Shallow Depth Shipping, Bundle of 25

PN: 20184

20 x 18 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$78.43 / BUNDLE
IN STOCK Ship long, narrow items efficiently with these 20x8x6 ECT-32 kraft corrugated boxes. Wide openings along the length reduce packing time and labor costs. Sold in bundles of 25 and shipped flat to maximize your warehouse space.
Boxes - Corrugated

20x8x6 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 2086

20 x 8 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$28.32 / BUNDLE
IN STOCK Ship long and narrow items efficiently with our 28x10x10 ECT-32 kraft corrugated boxes. Wide openings along the length make packing wine bottles, umbrellas, and carpet rolls fast and easy. Sold in bundles of 25 flat-packed cartons for maximum freight efficiency and storage savings.
Boxes - Corrugated

28x10x10 Shipping Boxes - ECT-32 Kraft Corrugated, 25-Pack

PN: 281010

28 x 10 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$58.49 / BUNDLE
IN STOCK Designed for long, narrow items like wine bottles, umbrellas, and carpet rolls, these 26x12x12 corrugated boxes feature wide length-wise openings for fast packing and loading. ECT-32 kraft construction delivers reliable stacking strength and protection. Sold flat in bundles of 20 for maximum freight efficiency and storage savings.
Boxes - Corrugated

26x12x12 Shipping Boxes - ECT-32 Kraft Corrugated, 20-Pack

PN: 261212

26 x 12 x 12 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$53.53 / BUNDLE
IN STOCK Heavy-duty 24 x 14 x 20 corrugated shipping boxes with ECT-32 single wall construction deliver reliable stacking strength for mid-size orders. Ships flat in bundles of 15 to maximize warehouse storage and reduce freight costs. The trusted choice for fulfillment centers and warehouse operations.
Boxes - Corrugated

24x14x20 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 241420

24 x 14 x 20 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$58.93 / BUNDLE
IN STOCK Industrial-grade 24x14x18 corrugated shipping boxes made from ECT-32 kraft material designed for reliable performance in high-volume fulfillment operations. Each bundle contains 10 boxes, offering cost-efficient packaging solutions for warehouses and distribution centers. Fully recyclable kraft construction meets sustainability standards while maintaining structural integrity.
Boxes - Corrugated

24x14x18 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 241418

24 x 14 x 18 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$35.02 / BUNDLE
IN STOCK ECT-48 rated double wall corrugated cartons deliver maximum protection and stacking performance for demanding warehouse environments. These 24 x 14 x 14
Boxes - Corrugated

24x14x14 ECT-48 Double Wall Kraft Corrugated Shipping Boxes - Bundle of 10

PN: HD241414DW

24 x 14 x 14 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$72.46 / BUNDLE
IN STOCK Heavy-duty ECT-48 kraft double wall corrugated boxes designed for maximum protection and stacking performance. 24
Boxes - Corrugated

24x14x12 Double Wall Corrugated Boxes ECT-48 Kraft - Bundle of 15

PN: HD241412DW

24 x 14 x 12 in D.W./ECT-48 Corrugated 15 PER BUNDLE
$116.44 / BUNDLE
IN STOCK Dependable 24x14x12 corrugated shipping boxes built from ECT-32 kraft material for reliable stacking and protection. Each bundle includes 20 boxes–ideal for medium-volume fulfillment operations. Recyclable kraft construction reduces waste while maximizing storage efficiency.
Boxes - Corrugated

24x14x12 Shipping Boxes — ECT-32 Kraft Corrugated, 20-Pack

PN: 241412

24 x 14 x 12 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$55.30 / BUNDLE
IN STOCK Standard-strength ECT-32 kraft corrugated boxes in 22x18x18
Boxes - Corrugated

22x18x18 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 221818

22 x 18 x 18 in ECT-32 Corrugated 15 PER BUNDLE
$97.67 / 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.