Boxes & Mailers

SELECTION EXPERT ADVICE

Wall Strength & Load Capacity
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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
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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
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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 Keep publications organized and protected with these heavy-duty ECT-32-B corrugated magazine file boxes. 9.25" x 4" x 12" dimensions fit standard magazine sizes, ship flat to maximize warehouse space, and assemble without tape or staples. Bundle of 50 white boxes offers unbeatable cost efficiency for high-volume packaging needs.
Boxes - Mailers

9.25x4x12 ECT-32-B White Corrugated Magazine File Boxes 50/Bundle

PN: MDIS105

9 1/4 x 4 x 12 in ECT-32-B Corrugated 50 PER BUNDLE
$69.88 / BUNDLE
IN STOCK Upgrade your counter display with these durable white corrugated header cards–9 3/8" x 7 3/4" ECT-32-B construction that withstands high-traffic retail and warehouse environments. Label or write directly on the header to showcase your marketing message. Sold in bundles of 10 and ships flat to maximize freight efficiency.
Boxes - Mailers

9.3x7.75 White Corrugated Header Cards 10/Bundle

PN: MDIS102H

9.3 x 7.75 in ECT-32-B Corrugated 10 PER BUNDLE
$9.72 / BUNDLE
IN STOCK Maximize your counter space with this durable white corrugated literature display. Made from ECT-32-B corrugated material, it folds without tape or glue and ships flat in a bundle of 10. Perfect for brochures, flyers, and pamphlets with sturdy construction that withstands high-traffic retail environments.
Boxes - Mailers

9 3/8 x 5 1/2 x 11 3/16 in White Corrugated Literature Counter Display 10/Bundle

PN: MDIS102

9 3/8 x 5 1/2 x 11 3/16 in ECT-32-B Corrugated 10 PER BUNDLE
$21.12 / BUNDLE
IN STOCK Upgrade your large bin floor display with these professional white corrugated header cards. Measuring 23¾" x 24¾", they're built from sturdy ECT-32-B corrugated material to handle high-traffic retail environments. Label or write directly on each card to advertise your offerings–ships flat in bundles of 10 for cost-efficient storage and shipping.
Boxes - Mailers

23.75x24.75 ECT-32 White Corrugated Display Headers 10-Pack

PN: MDIS103H

23 3/4 x 24.75 in ECT-32-B Corrugated 10 PER BUNDLE
$48.46 / BUNDLE
IN STOCK Ship documents and literature with confidence using these 18x12x3 kraft corrugated mailers. Manufactured from durable ECT-32B material with self-seal closure–no tape, glue, or staples required. Perfect for e-commerce brands seeking professional presentation at scale.
Boxes - Mailers

18 x 12 x 3" Kraft Literature Mailer

PN: ML18123K

18 x 12 x 3 in ECT-32-B Corrugated 25 PER BUNDLE
$63.23 / BUNDLE
IN STOCK Ship documents and marketing materials in professional style with these 17.25x11.25x4 kraft literature mailers. Made from strong ECT-32-B corrugated material and sold in bundles of 25, they assemble in seconds with no tape, glue, or staples required. Perfect for e-commerce brands seeking cost-effective, crush-resistant mailing solutions.
Boxes - Mailers

17.25x11.25x4 ECT-32 Kraft Corrugated Literature Mailers 25/Bundle

PN: ML17114K

17 1/4 x 11.25 x 4 in ECT-32-B Corrugated 25 PER BUNDLE
$61.90 / BUNDLE
IN STOCK Ship professional literature and documents with our 17x11x2.5" kraft literature mailers–no tape, glue, or staples required. Made from durable ECT-32-B corrugated material, these crush-resistant mailers assemble in seconds and arrive in a convenient bundle of 25.
Boxes - Mailers

17x11x2.5 Kraft Self-Seal Corrugated Literature Mailers 25/Bundle

PN: ML17112K

17 x 11 x 2 1/2 in ECT-32-B Corrugated 25 PER BUNDLE
$50.51 / BUNDLE
IN STOCK Ship marketing materials, catalogs, and documents with professional kraft literature mailers that assemble in seconds–no tape, glue, or staples needed. These 16x16x2" corrugated mailers feature ECT-32-B crush-resistant construction and self-seal closure for reliable protection. Get 50 foldable kraft mailers per bundle.
Boxes - Mailers

16x16x2 Kraft Self-Seal Corrugated Literature Mailers 50/Bundle

PN: ML16162K

16 x 16 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$113.93 / BUNDLE
IN STOCK Ship documents and marketing materials with confidence using these 16x12x4 kraft corrugated mailers. ECT-32-B strength provides crush resistance while the self-seal, fold-and-tuck design assembles in seconds without tape, glue, or staples. Get 50 literature mailers per bundle at wholesale pricing.
Boxes - Mailers

16x12x4 Kraft Self-Seal Corrugated Literature Mailers 50-Pack

PN: ML16124K

16 x 12 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$125.33 / BUNDLE
IN STOCK Professional kraft literature mailers designed for e-commerce brands shipping documents, catalogs, and promotional materials. These 15 1/8 x 11 1/8 x 4" crush-resistant mailers assemble in seconds with no tape, glue, or staples required–perfect for high-volume shipping. Bundle of 50 corrugated boxes built from durable ECT-32-B kraft material.
Boxes - Mailers

15 1/8 x 11 1/8 x 4 in Kraft Literature Mailers Crush Resistant 50/Bundle

PN: MIBMS1000K

15 1/8 x 11 1/8 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$104.82 / BUNDLE
IN STOCK Ship catalogs, brochures, and documents with professional crush-resistant protection. These 15 1/8 x 11 1/8 x 3" kraft corrugated mailers feature self-sealing construction–no tape, glue, or staples required. ECT-32-B strength delivers puncture resistance and reliable protection for literature in just 50-box bundles.
Boxes - Mailers

15 1/8 x 11 1/8 x 3 in Kraft Literature Mailers Self-Seal 50/Bundle

PN: M15113K

15 1/8 x 11 1/8 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$99.50 / BUNDLE
IN STOCK Ship documents and marketing materials with professional presentation. These 15 1/8 x 11 1/8 x 2" kraft corrugated mailers feature self-sealing construction and ECT-32-B strength, eliminating the need for tape, glue, or staples. Perfect for e-commerce brands seeking affordable, crush-resistant shipping solutions in bulk.
Boxes - Mailers

15 1/8 x 11 1/8 x 2 in Kraft Literature Mailers 50-Pack

PN: MIBMS500K

15 1/8 x 11 1/8 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$85.07 / BUNDLE
IN STOCK Professional-grade kraft literature mailers featuring puncture-resistant ECT-32-B corrugated construction. Self-sealing design assembles in seconds without tape, glue, or staples–perfect for e-commerce brands shipping catalogs, brochures, and documents. Sold in bundles of 50.
Boxes - Mailers

14.25x11.25x4 Kraft Self-Seal Corrugated Literature Mailers 50-Pack

PN: M14114K

14 1/4 x 11.25 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$107.86 / BUNDLE
IN STOCK Ship documents and marketing materials with professional presentation using these 14x14x2 kraft literature mailers. Made from durable ECT-32-B corrugated material with self-sealing closure that assembles in seconds–no tape, glue, or staples required. Perfect for e-commerce brands managing shipping costs without sacrificing box quality.
Boxes - Mailers

14x14x2 Kraft Self-Seal Corrugated Literature Mailers 50-Pack

PN: M14142K

14 x 14 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$96.46 / BUNDLE
IN STOCK Professional kraft literature mailers sized at 14" x 10" x 2" for perfectly fitted document shipments. Made from durable ECT-32-B corrugated material with self-sealing closure–no tape, glue, or staples required. Sold in bundles of 50 for cost-effective bulk ordering.
Boxes - Mailers

14x10x2 Kraft Self-Seal Corrugated Literature Mailers 50-Pack

PN: ML14102K

14 x 10 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$91.15 / BUNDLE
IN STOCK Ship marketing materials and documents with confidence using these 13x13x3 kraft literature mailers. Built from strong ECT-32-B corrugated cardboard with self-sealing design–no tape, glue, or staples required. Perfect for e-commerce brands seeking professional presentation at scale.
Boxes - Mailers

13x13x3 Kraft Corrugated Literature Mailers 50-Pack ML13133K

PN: ML13133K

13 x 13 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$101.78 / BUNDLE

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Buying path

Buy Boxes & Mailers by the specs that change the order

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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 ->