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 Industrial-grade 20x10x12 corrugated shipping boxes built from ECT-32 kraft material for reliable protection and stackability. Each bundle contains 25 boxes–ideal for e-commerce fulfillment, warehouse storage, and logistics operations. Recyclable kraft construction reduces your environmental footprint while maximizing freight efficiency.
Boxes - Corrugated

20x10x12 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 201012

20 x 10 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$45.92 / BUNDLE
IN STOCK Ship long, narrow items efficiently with our 20x10x6
Boxes - Corrugated

20x10x6" ECT-32 Kraft Corrugated Boxes - Long Item Shipping, 25-Pack

PN: 20106

20 x 10 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$34.10 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes designed with shallow 4-inch depth for optimal fit on smaller items. Ships flat to maximize storage efficiency and reduce freight costs. Bundle of 25 boxes per pack.
Boxes - Corrugated

20x10x4 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 20104

20 x 10 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$29.69 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated shipping boxes sized 18
Boxes - Corrugated

18x12x14 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 181214R

18 x 12 x 14 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$55.68 / BUNDLE
IN STOCK ECT-44 single wall kraft corrugated boxes engineered for maximum stacking strength and damage protection. These 18x12x12 heavy-duty cartons deliver 40% greater crush resistance than standard shipping containers, making them ideal for high-volume fulfillment operations. Sold flat in bundles of 25 for maximum freight efficiency and warehouse storage.
Boxes - Corrugated

18x12x12 ECT-44 Heavy-Duty Kraft Corrugated Boxes - Bundle of 25

PN: HD1812

18 x 12 x 12 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$66.40 / BUNDLE
IN STOCK Ship with confidence using ECT-32 white corrugated boxes engineered for reliable stacking and freight efficiency. These 18x12x12 shipping cartons deliver the same durability as standard kraft boxes while presenting a crisp, professional appearance that makes applied labels and shipping instructions stand out. Bundle of 25 boxes reduces per-unit costs and minimizes storage footprint.
Boxes - Corrugated

18x12x12 ECT-32 White Corrugated Boxes - 25 Pack Bundle

PN: 181212W

18 x 12 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$57.88 / BUNDLE
IN STOCK Protect high-value printed materials with ECT-32 kraft corrugated boxes sized specifically for standard paper formats. These 18x12x12 shipping cartons provide reliable stacking performance and efficient freight utilization. Sold in bundles of 25 boxes.
Boxes - Corrugated

18x12x12 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 181212

18 x 12 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$43.49 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes in 18
Boxes - Corrugated

18x12x9 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 18129R

18 x 12 x 9 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$44.35 / BUNDLE
IN STOCK ECT-32 single-wall corrugated boxes in 18x12x8
Boxes - Corrugated

18x12x8 ECT-32 White Corrugated Boxes - Flat Ship Bundle of 25

PN: 18128W

18 x 12 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$78.38 / BUNDLE
IN STOCK Dependable 18x12x7 corrugated shipping boxes engineered for warehouse and fulfillment operations. ECT-32 single-wall kraft construction delivers reliable stacking strength and impact protection. Each bundle of 25 maximizes freight efficiency and reduces per-unit costs.
Boxes - Corrugated

18x12x7 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 18127R

18 x 12 x 7 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$47.61 / BUNDLE
IN STOCK ECT-32 single-wall white corrugated boxes designed for warehouse managers who need reliable, label-ready shipping cartons. 18
Boxes - Corrugated

18x12x6 ECT-32 White Corrugated Boxes - 25 Pack Bundle

PN: 18126W

18 x 12 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$62.28 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes sized specifically for standard paper formats. 18
Boxes - Corrugated

18x12x6 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 18126

18 x 12 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$36.67 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes sized 18
Boxes - Corrugated

18x12x5 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 18125

18 x 12 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$38.59 / BUNDLE
IN STOCK Ship shallow products efficiently with these 18x12x3 ECT-32 kraft corrugated boxes. Ideal for apparel, books, frames, and artwork. Bundle of 25 flat boxes reduces your warehouse footprint and freight spend–order now and cut packaging costs.
Boxes - Corrugated

18x12x3 Shipping Boxes - ECT-32 Kraft Corrugated, 25-Pack

PN: 18123

18 x 12 x 3 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$59.96 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes engineered for shallow-profile shipping. At 17
Boxes - Corrugated

17x13x5 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 17135

17 x 13 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$37.95 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 16x14x14 dimensions deliver reliable protection for mid-weight products at competitive per-unit costs. This 25-box bundle offers immediate inventory availability and consistent stacking performance for warehouse operations. Recyclable kraft material meets sustainability standards while maintaining proven durability.
Boxes - Corrugated

16x14x14 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 161414

16 x 14 x 14 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$58.09 / 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.