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 Economical 4
Mailing Tubes

4x42" Kraft Mailing Tubes with Caps - 15 Case | Spiral Wound

PN: P4042K

4 x 42 in 0.08 Thick Spiral Wound Fibreboard 15 PER CASE
$71.21 / CASE
IN STOCK Heavy-duty 4x36 kraft mailing tubes with included white end caps that snap securely in place–no pop-offs during shipment. 3-ply spiral wound fibreboard construction delivers durability for document mailers, blueprint carriers, and poster tubes. Sold as case of 15 units.
Mailing Tubes

4x36 Kraft Mailing Tubes with Caps - Secure Document Shipping, Case of 15

PN: P4036K

4 x 36 in 0.08 Thick Spiral Wound Fibreboard 15 PER CASE
$59.60 / CASE
IN STOCK Professional-grade 4x30 kraft tubes with included white end caps provide secure, economical shipping for documents, posters, and architectural plans. 3-ply spiral wound fibreboard construction (0.08
Mailing Tubes

4x30 Kraft Mailing Tubes with Caps - 15 Pack, Spiral Wound

PN: P4030K

4 x 30 in 0.08 Thick Spiral Wound Fibreboard 15 PER CASE
$53.72 / CASE
IN STOCK Heavy-duty 4x26 kraft mailing tubes deliver secure, cost-effective shipping for documents, blueprints, and posters. Each case includes 15 tubes with white end caps that snap firmly in place–no pop-offs during transit. 3-ply spiral wound construction ensures durability while remaining 100% recyclable.
Mailing Tubes

Mailing Tubes - 4x26, Kraft, With Caps, 15/Case

PN: P4026K

4 x 26 in 0.08 Thick Spiral Wound Fibreboard 15 PER CASE
$50.13 / CASE
IN STOCK Economical 4
Mailing Tubes

Mailing Tubes - 4x24, Kraft, With Caps, 15/Case

PN: P4024K

4 x 24 in 0.08 Thick Spiral Wound Fibreboard 15 PER CASE
$48.26 / CASE
IN STOCK Protect documents, blueprints, and posters in transit with our 4x20 kraft mailing tubes. Each case includes 15 tubes with included white snap end caps that lock contents securely in place–no pop-offs during shipment. Made from durable 0.08
Mailing Tubes

Mailing Tubes - 4x20, Kraft, With Caps, 15/Case

PN: P4020K

4 x 20 in 0.08 Thick Spiral Wound Fibreboard 15 PER CASE
$43.41 / CASE
IN STOCK Reliable 4x18 kraft tubes with included white snap-on end caps prevent contents from shifting during shipment. Heavy-duty 3-ply spiral wound fibreboard (0.08
Mailing Tubes

Mailing Tubes - 4x18, Kraft, With Caps, 15/Case

PN: P4018K

4 x 18 in 0.08 Thick Spiral Wound Fibreboard 15 PER CASE
$42.48 / CASE
IN STOCK Economical 4x12 kraft mailing tubes with included white end caps that snap securely in place–no pop-offs during shipment. 3-ply spiral wound fibreboard construction delivers durability for blueprints, posters, and documents. Reusable and recyclable; sold as a case of 15 tubes.
Mailing Tubes

Mailing Tubes - 4x12, Kraft, With Caps, 15-Pack

PN: P4012K

4 x 12 in 0.08 Thick Spiral Wound Fibreboard 15 PER CASE
$35.18 / CASE
IN STOCK Professional-grade 3
Mailing Tubes

3" x 48" Kraft Mailing Tubes with Caps - 24 Pack Spiral Wound

PN: P3048K

48 x 48 in 0.08 Thick Spiral Wound Fibreboard 24 PER CASE
$84.50 / CASE
IN STOCK Professional-grade 3
Mailing Tubes

3" x 42" Kraft Mailing Tubes with Caps - 24/Case Spiral Wound

PN: P3042K

42 x 42 in 0.07 Thick Spiral Wound Fibreboard 24 PER CASE
$78.35 / CASE
IN STOCK Heavy-duty 3x38
Mailing Tubes

3x38" Kraft Mailing Tubes with Caps - 24 Pack | Spiral Wound

PN: P3038K

3 x 38 in 0.07 Thick Spiral Wound Fibreboard 24 PER CASE
$72.64 / CASE
IN STOCK Heavy-duty 3x36
Mailing Tubes

3x36" Kraft Mailing Tubes with Caps - 24 Pack | Spiral Wound

PN: P3036K

3 x 36 in 0.07 Thick Spiral Wound Fibreboard 24 PER CASE
$57.97 / CASE
IN STOCK Heavy-duty 3x30 kraft mailing tubes designed for document, blueprint, and poster shipping. Each case includes 24 tubes with included white end caps that snap securely in place–no pop-offs during transit. Reusable, recyclable 0.07
Mailing Tubes

3x30 Kraft Mailing Tubes with Caps - 0.07" Spiral Wound, Case of 24

PN: P3030K

3 x 30 in 0.07 Thick Spiral Wound Fibreboard 24 PER CASE
$57.93 / CASE
IN STOCK Industrial-grade 3x26 kraft mailing tubes with included white end caps that snap securely in place–perfect for shipping documents, blueprints, and rolled materials. 3-ply spiral wound fibreboard construction withstands shipping stress. Buy by the case of 24 and save on your mailroom supplies.
Mailing Tubes

Mailing Tubes - 3x26, Kraft, With Caps, 24/Case

PN: P3026K

3 x 26 in 0.07 Thick Spiral Wound Fibreboard 24 PER CASE
$43.90 / CASE
IN STOCK Economical 3x25 kraft mailing tubes engineered for reliable document, poster, and blueprint shipping. Each case includes 24 capped tubes with secure snap-on white end caps that won't pop off during transit. 3-ply spiral wound construction delivers durability while maintaining cost efficiency for high-volume mailroom operations.
Mailing Tubes

Mailing Tubes - 3x25, Kraft, With Caps, 24/Case

PN: P3025K

3 x 25 in 0.07 Thick Spiral Wound Fibreboard 24 PER CASE
$47.49 / CASE
IN STOCK Ship documents, blueprints, and posters safely with these 3x24
Mailing Tubes

Mailing Tubes - 3x24, Kraft, With Caps, 24/Case

PN: P3024K

3 x 24 in 0.07 Thick Spiral Wound Fibreboard 24 PER CASE
$42.31 / CASE

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.