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 Stop wasting time on rolling tubes. These 5x5x30
Boxes - Mailers

5x5x30 ECT-32-B White Square Mailing Tubes - 25 Bundle

PN: M5530

5 x 5 x 30 in ECT-32-B Corrugated 25 PER BUNDLE
$94.28 / BUNDLE
IN STOCK Stop lost products and wasted packing time. These 5x5x25
Boxes - Mailers

5x5x25" White Corrugated Square Mailing Tubes - Anti-Roll Design, 25-Pack

PN: M5525

5 x 5 x 25 in ECT-32-B Corrugated 25 PER BUNDLE
$84.14 / BUNDLE
IN STOCK Ship smarter with our 5x5x18 white square mailing tubes. Unlike round shipping tubes, these won't roll during packing and transit–saving you time and reducing damage. One-piece construction in ECT-32-B corrugated folds flat for storage and ships ready to assemble without tape or glue. Bundle of 25 tubes.
Boxes - Mailers

5x5x18 ECT-32-B White Square Mailing Tubes - No-Roll Design, Bundle of 25

PN: M5518

5 x 5 x 18 in ECT-32-B Corrugated 25 PER BUNDLE
$78.68 / BUNDLE
IN STOCK Ship smarter with 5x5x12
Boxes - Mailers

5x5x12" White Corrugated Square Mailing Tubes - Non-Rolling Design, 25-Pack

PN: M5512

5 x 5 x 12 in ECT-32-B Corrugated 25 PER BUNDLE
$53.79 / BUNDLE
IN STOCK Ship smarter with 4x4x37
Boxes - Mailers

4x4x37" White Corrugated Square Mailing Tubes - No-Roll Design, 50-Pack

PN: M4437

4 x 4 x 37 in ECT-32-B Corrugated 50 PER BUNDLE
$159.27 / BUNDLE
IN STOCK Non-rolling square tubes designed for efficient packing and shipping of tall items. Made from durable ECT-32-B white corrugated material and sold in bundles of 50. One-piece design ships flat–folds quickly without tape or glue for maximum productivity.
Boxes - Mailers

4x4x25 White Corrugated Square Mailing Tubes - No-Roll Design, 50-Pack

PN: M4425

4 x 4 x 25 in ECT-32-B Corrugated 50 PER BUNDLE
$130.02 / BUNDLE
IN STOCK Ship tall items efficiently with 3x3x48 white square mailing tubes that won't roll during handling or transit. This 25-pack of ECT-32-B corrugated tubes ships completely flat and assembles in seconds without tape or glue–cutting your prep time and storage costs.
Boxes - Mailers

3x3x48 White Corrugated Square Mailing Tubes - 25 Pack

PN: M3348

3 x 3 x 48 in ECT-32-B Corrugated 25 PER BUNDLE
$94.28 / BUNDLE
IN STOCK Square tubes eliminate rolling chaos–pack and ship faster than round tubes. These 43
Boxes - Mailers

43" x 3" x 3" White Square Mailing Tubes ECT-32-B Corrugated - 25 Pack

PN: M3343

43 x 43 x 3 in ECT-32-B Corrugated 25 PER BUNDLE
$75.71 / BUNDLE
IN STOCK Stop wasting time chasing rolling tubes. These 3x3x37
Boxes - Mailers

3x3x37" White Corrugated Square Mailing Tubes - No-Roll Design, 25-Pack

PN: M3337

3 x 3 x 37 in ECT-32-B Corrugated 25 PER BUNDLE
$45.16 / BUNDLE
IN STOCK Stop chasing rolling tubes–these 3x3x30
Boxes - Mailers

3x3x30" White Square Mailing Tubes ECT-32-B Corrugated - 25 Pack

PN: M3330

3 x 3 x 30 in ECT-32-B Corrugated 25 PER BUNDLE
$37.39 / BUNDLE
IN STOCK Stop wasting time on round tubes that roll during packing and shipping. Our 3x3x25
Boxes - Mailers

3x3x25" White Corrugated Square Mailing Tubes - No-Roll Design, Bundle of 25

PN: M3325

3 x 3 x 25 in ECT-32-B Corrugated 25 PER BUNDLE
$34.79 / BUNDLE
IN STOCK Stop wasted packing time–these 3x3x18 white square mailing tubes won't roll during fulfillment. Made from durable ECT-32-B corrugated, they ship flat in a 25-pack bundle and fold together without tape or glue, cutting assembly labor and storage footprint.
Boxes - Mailers

3x3x18 ECT-32-B White Square Mailing Tubes - 25 Pack

PN: M3318

3 x 3 x 18 in ECT-32-B Corrugated 25 PER BUNDLE
$25.35 / BUNDLE
IN STOCK Stop wasting time packing round tubes that roll in transit. These 3x3x12
Boxes - Mailers

3x3x12" White Corrugated Square Mailing Tubes - 25 Pack

PN: M3312

3 x 3 x 12 in ECT-32-B Corrugated 25 PER BUNDLE
$23.09 / BUNDLE
IN STOCK Stop wasting time chasing rolling tubes. These 2x2x37
Boxes - Mailers

2x2x37" White Square Mailing Tubes ECT-32-B Corrugated - 50 Pack

PN: M2237

2 x 2 x 37 in ECT-32-B Corrugated 50 PER BUNDLE
$91.61 / BUNDLE
IN STOCK Stop wasting time on round mailing tubes that roll everywhere. These 2x2x25
Boxes - Mailers

2x2x25" White Corrugated Square Mailing Tubes - 50 Pack

PN: M2225

2 x 2 x 25 in ECT-32-B Corrugated 50 PER BUNDLE
$50.70 / BUNDLE
IN STOCK Ship flat materials with professional polish using these 7.5x7.5x2 white corrugated mailers. Multi-depth scored design lets you customize fold depth for any product size. ECT-32-B durability ensures crush-resistant protection–50 mailers per bundle.
Boxes - Mailers

7.5x7.5x2 White Corrugated Easy-Fold Mailers - Professional Shipping, 50 Pack

PN: M772BF

7 1/2 x 7 1/2 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$60.52 / 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.