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

3,094 corrugated boxes, literature mailers and mailing tubes from 2 to 36 inches, mostly ECT-32 kraft and white, sold in bundles of 10 to 50. Each listing shows inside dimensions, board grade and bundle count so you can match a carton to the part you ship. Orders ship from five US regional warehouses; for mixed or recurring orders use the bulk quote path with SKU, quantity and destination ZIP.

Related collections

IN STOCK 11 1/8 x 8 3/4 x 3" Kraft Corrugated Literature Mailer - 50 Pack
Boxes - Mailers

11 1/8 x 8 3/4 x 3 in Kraft Corrugated Literature Mailer 50-Pack

PN: MFL1183K

11 1/8 x 8 3/4 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$108.49 / BUNDLE
IN STOCK 11 1/8 x 8 3/4 x 2" Kraft Literature Mailer, 50/Bundle
Boxes - Mailers

11 1/8 x 8 3/4 x 2 in Kraft Deluxe Literature Mailer Crush Resistant 50/Bundle

PN: MFL1182K

11 1/8 x 8 3/4 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$96.12 / BUNDLE
IN STOCK Protect your most important documents with these 10x10x5 kraft deluxe literature mailers featuring crush-resistant ECT-32-B corrugated construction. Front outside tuck closure and protective side flaps keep contents secure and professional. Assembles in seconds without tape, glue, or staples–sold as a bundle of 50.
Boxes - Mailers

10x10x5 Kraft Deluxe Literature Mailers 50/Bundle

PN: MFL10105K

10 x 10 x 5 in ECT-32-B Corrugated 50 PER BUNDLE
$153.43 / BUNDLE
IN STOCK 10x10x4" Kraft Corrugated Literature Mailer, 50 Bundle
Boxes - Mailers

10x10x4 Kraft Corrugated Literature Mailers 50/Bundle

PN: MFL10104K

10 x 10 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$118.49 / BUNDLE
IN STOCK Professional-grade 10x10x3 kraft corrugated mailer designed for e-commerce brands shipping important documents and products. Features protective side flaps, front tuck closure, and crush-resistant ECT-32-B construction. Assembles in seconds without tape, glue, or staples–50 boxes per bundle.
Boxes - Mailers

10x10x3 Kraft Corrugated Literature Mailers 50-Pack

PN: MFL10103K

10 x 10 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$115.88 / BUNDLE
IN STOCK 10x10x2 Kraft Literature Mailer, 50/Bundle
Boxes - Mailers

10x10x2 Kraft Deluxe Literature Mailers 50/Bundle

PN: MFL10102K

10 x 10 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$70.79 / BUNDLE
IN STOCK 10x8x1.5" Kraft Corrugated Literature Mailer, 50-Pack
Boxes - Mailers

10x8x1.5 Kraft Corrugated Literature Mailers 50-Pack

PN: MFL1081K

10 x 8 x 1 1/2 in ECT-32-B Corrugated 50 PER BUNDLE
$54.69 / BUNDLE
IN STOCK Professional 10x4x4 kraft corrugated literature mailers designed for e-commerce brands who demand document protection without compromises. Features protective side flaps, front tuck closure, and crush-resistant ECT-32-B construction. Assembles in seconds–no tape, glue, or staples required. Bundle of 50.
Boxes - Mailers

10x4x4 Kraft Corrugated Literature Mailers 50-Pack

PN: MFL1044K

10 x 4 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$102.83 / BUNDLE
IN STOCK Protect your branded documents and marketing collateral with these 9x6.25x4 kraft deluxe literature mailers. Built from heavy-duty ECT-32-B corrugated cardboard with side flaps and front tuck closure for maximum crush resistance. Assemble in seconds without tape, glue, or staples–50 mailers per bundle.
Boxes - Mailers

9x6.25x4 Kraft Deluxe Literature Mailers 50-Pack

PN: MFL964K

9 x 6.25 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$102.54 / BUNDLE
IN STOCK Ship marketing materials and documents with confidence using these crush-resistant kraft corrugated mailers. Designed with protective side flaps and front-tuck self-seal closure, they assemble in seconds without tape, glue, or staples–perfect for e-commerce brands managing high-volume shipments. Bundle of 50.
Boxes - Mailers

9x6.25x3 Kraft Corrugated Literature Mailers 50-Pack

PN: MFL963K

9 x 6.25 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$55.45 / BUNDLE
IN STOCK Protect your brand reputation with these crush-resistant 9x6.25x2 kraft deluxe literature mailers. Built from sturdy ECT-32-B corrugated material with integrated fold-and-tuck closure–no tape, glue, or staples required. Bundle of 50 units ready to ship.
Boxes - Mailers

9x6.25x2 Kraft Deluxe Literature Mailers 50-Pack

PN: MFL962K

9 x 6.25 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$63.80 / BUNDLE
IN STOCK Professional-grade 8x8x2.75" kraft corrugated literature mailers designed for e-commerce brands shipping important documents and promotional materials. ECT-32-B construction delivers crush resistance and puncture protection without requiring tape, glue, or staples–assembling in seconds with our exclusive tuck closure design. Bundle of 50 mailers provides reliable, cost-effective shipping with premium kraft presentation.
Boxes - Mailers

8x8x2.75 Kraft Deluxe Literature Mailers 50/Bundle

PN: MFL882K

8 x 8 x 2 3/4 in ECT-32-B Corrugated 50 PER BUNDLE
$64.56 / BUNDLE
IN STOCK Professional 4x4x4 deluxe kraft literature mailers designed to protect documents and promotional materials in transit. Featuring protective side flaps, front outside tuck closure, and crush-resistant ECT-32-B corrugated construction. Assembles tool-free in seconds–50 boxes per bundle.
Boxes - Mailers

4x4x4 Kraft Deluxe Literature Mailers 50/Bundle

PN: MFL444K

4 x 4 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$74.54 / BUNDLE
IN STOCK Professional-grade 19x12" white deluxe gift box lids engineered for premium product presentation. Pre-assembled fibreboard construction delivers twice the strength of standard chipboard, ensuring your packaged goods arrive perfect. Sold as case of 50 with white interior finish.
Chipboard Cartons

19x12 White Fibreboard Deluxe Gift Box Lids 50/Case

PN: DGBL1912W

19 x 12 in Fibreboard 50 PER CASE
$222.72 / CASE
IN STOCK Professional-grade 14" x 14" white deluxe gift box lids deliver upscale presentation with superior durability. Pre-assembled fibreboard construction is twice as strong as standard chipboard, reducing damage during shipping and handling. Sold in cases of 50 with white interior finish.
Chipboard Cartons

14x14 White Fibreboard Deluxe Gift Box Lids 50/Case

PN: DGBL1414W

14 x 14 in Fibreboard 50 PER CASE
$187.04 / CASE
IN STOCK Professional-grade 12x12" white fibreboard gift box lids deliver upscale presentation with superior durability. Pre-assembled design and twice the strength of standard chipboard cartons ensures your products arrive in perfect condition. Sold by the case of 50 units with white interior finish.
Chipboard Cartons

12x12 White Fibreboard Deluxe Gift Box Lids 50/Case

PN: DGBL1212W

12 x 12 in Fibreboard 50 PER CASE
$146.71 / 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 orders, send your list and ZIP and get a delivered price by email.

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 finder -> Get a delivered quote for larger orders -> Compare corrugated box types -> View products below ->