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 Ship small, fragile items with confidence using these ECT-32-B white corrugated mailers. One-piece fold-and-tuck design requires no tape, glue, or staples–assembly takes seconds. Double-wall crush-resistant construction protects contents while reducing freight weight and postage costs. 50-pack bundle.
Boxes - Mailers

7x5x4 White Corrugated Literature Mailers - 50-Pack, SKU M754

PN: M754

7 x 5 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$44.38 / BUNDLE
IN STOCK 3.5x5 Clear 2 Mil Document Envelopes - Tamper Proof, Case of 1000 Packrift
Packing List Envelopes

3.5x5 Packing List Envelopes - Clear Self-Adhesive, 1000/Case

PN: PL471

3 1/2 x 5 in 2 Mil Poly 1000 PER CASE
$54.42 / CASE
IN STOCK Ship long, narrow items efficiently with our 10x6x6 ECT-32 kraft corrugated boxes. Extended length openings speed packing of wine bottles, umbrellas, carpet rolls, and similar products. Sold as a bundle of 25 flat boxes–ready to assemble and ship.
Boxes - Corrugated

10x6x6 ECT-32 Kraft Corrugated Shipping Boxes - 25-Pack, SKU 1066

PN: 1066

10 x 6 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$15.83 / BUNDLE
IN STOCK Professional-grade 20x24x4 expansion poly mailers built for e-commerce brands shipping books, binders, and catalogs. Features self-seal closure with tear strip, puncture-resistant 2.5 mil polyethylene, and gusseted design for thicker items. Sold by the case of 100.
Envelopes & Mailers

20x24x4 Expansion Poly Mailers 2.5 Mil Self-Seal White, 100/Case

PN: EPM20244

20 x 24 x 4 in 2.5 Mil Polyethylene 100 PER CASE
$59.96 / CASE
IN STOCK Professional 14
Boxes - Mailers

14x10x4 Kraft Corrugated Literature Mailer - Crush-Resistant, 50 Bundle

PN: MFL14104K

14 x 10 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$132.92 / BUNDLE
IN STOCK Professional-grade ECT-32-B corrugated carrying cases engineered for warehouse and fulfillment operations. Pre-assembled with integrated plastic handles, these 20
Boxes - Mailers

20x11 3/8x5 1/2" ECT-32-B White Corrugated Carrying Cases with Handles - Bundle of 10

PN: MCC5

20 x 11 3/8 x 5 1/2 in ECT-32-B Corrugated 10 PER BUNDLE
$61.37 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 12x10x4 dimensions deliver reliable protection for shallow products while minimizing dimensional weight charges. Ships flat in bundles of 25–reduce storage footprint and freight costs without compromise. Perfect for apparel, books, picture frames, and artwork.
Boxes - Corrugated

12x10x4 Shipping Boxes - ECT-32 Kraft Corrugated, 25-Pack

PN: 12104

12 x 10 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$22.56 / BUNDLE
IN STOCK Eliminate carton sizer equipment and inventory bloat with these pre-scored, adjustable-height corrugated boxes. Fold to 6
Boxes - Corrugated

12.5x12.5x12 Multi-Depth Corrugated Boxes ECT-32 Kraft - 25 Pack

PN: MD121212R

12 1/2 x 12 1/2 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$50.65 / BUNDLE
IN STOCK Ship elongated products efficiently with these 17x10x10 corrugated boxes featuring long-side openings for fast, error-free packing. ECT-32 kraft construction delivers reliable protection while reducing wasted space in your warehouse. Bundle of 25 ships flat to maximize your storage and freight efficiency.
Boxes - Corrugated

17x10x10 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 171010

17 x 10 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$37.81 / BUNDLE
IN STOCK Eliminate carton sizer needs with these pre-scored multi-depth corrugated boxes in 17.25x11.5x11 dimensions. One box folds to multiple heights–cut inventory SKUs and parcel shipping costs simultaneously. ECT-32 kraft construction rated for reliable stacking performance.
Boxes - Corrugated

17.25x11.5x11 Multi-Depth Corrugated Boxes ECT-32 Kraft - 25 Bundle

PN: MD171111

17 1/4 x 11.5 x 11 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$43.94 / BUNDLE
IN STOCK Ship long, narrow items efficiently with these 36x6x6 ECT-32 kraft corrugated boxes. Wide lengthwise openings speed packing while maintaining structural integrity. Sold as a convenient bundle of 25 flat-packed cartons ready to assemble.
Boxes - Corrugated

36x6x6 Shipping Boxes - ECT-32 Kraft Corrugated, 25-Pack

PN: 3666

36 x 6 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$57.40 / BUNDLE
IN STOCK Ship blueprints, posters, and documents safely with our 4x48 white mailing tubes. Heavy-duty 3-ply spiral wound fibreboard with included snap-lock end caps prevents shifting during transit. Each case contains 15 reusable, recyclable tubes–the cost-effective solution for high-volume mailroom operations.
Mailing Tubes

4x48 White Spiral Wound Mailing Tubes with Caps - Case of 15

PN: P4048W

4 x 48 in 0.08 Thick Spiral Wound Fibreboard 15 PER CASE
$96.33 / CASE
IN STOCK Protect documents, posters, and blueprints with our 4x42 white mailing tubes featuring secure snap-on end caps that won't pop off during shipment. Built with 3-ply spiral wound fibreboard construction for durability, these tube mailers come 15 per case and are fully reusable and recyclable–ideal for mailroom efficiency and cost-conscious shippers.
Mailing Tubes

4x42 White Mailing Tubes with Caps - Spiral Wound Fibreboard, 15-Pack

PN: P4042W

4 x 42 in 0.08 Thick Spiral Wound Fibreboard 15 PER CASE
$74.10 / CASE
IN STOCK Ship documents, posters, and blueprints safely with these 4x36 white spiral wound mailing tubes. Each case includes 15 tubes with white end caps that snap securely in place–no pop-offs during transit. Heavy-duty 3-ply fibreboard construction delivers professional protection at competitive bulk pricing.
Mailing Tubes

4x36 White Spiral Wound Mailing Tubes with Caps - Case of 15

PN: P4036W

4 x 36 in 0.08 Thick Spiral Wound Fibreboard 15 PER CASE
$65.12 / CASE
IN STOCK Ship posters, blueprints, and documents safely with these 4x30 white spiral wound mailing tubes. Each case includes 15 tubes with secure snap-on end caps that won't pop off during transit. Heavy-duty 0.08
Mailing Tubes

4x30 White Spiral Wound Mailing Tubes with Caps - Case of 15

PN: P4030W

4 x 30 in 0.08 Thick Spiral Wound Fibreboard 15 PER CASE
$59.64 / CASE
IN STOCK Professional-grade 4x26 white mailing tubes with snap-lock end caps prevent content damage during shipping. 3-ply spiral wound fibreboard construction delivers strength and reusability. Order by the case of 15 tubes–ideal for architecture firms, print shops, and mailroom operations.
Mailing Tubes

4x26 White Spiral Wound Mailing Tubes with Caps - Case of 15

PN: P4026W

4 x 26 in 0.08 Thick Spiral Wound Fibreboard 15 PER CASE
$68.31 / 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.