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 10x9x2 White Literature Mailers ECT-32 Corrugated - 50-Pack
Boxes - Mailers

10 x 9 x 2 Inch ECT-32 White Corrugated Literature Mailer Boxes, 50 Pack

PN: ML1092

10 x 9 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$61.52 / BUNDLE
IN STOCK 10x8x3 White Corrugated Literature Mailers - Self-Seal, 50 Pack
Boxes - Mailers

10x8x3 White Self-Seal Corrugated Literature Mailers 50-Pack

PN: ML1083

10 x 8 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$71.40 / BUNDLE
IN STOCK 10x4x3 White Literature Mailers, ECT-32-B Corrugated, 50-Count Bundle
Boxes - Mailers

10x4x3 ECT-32-B White Corrugated Literature Mailers

PN: ML1043

10 x 4 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$60.00 / BUNDLE
IN STOCK 10x3x3 White Corrugated Literature Mailers - Self-Seal, 50/Bundle
Boxes - Mailers

10x3x3 White Self-Seal Corrugated Literature Mailers 50/Bundle

PN: ML1033

10 x 3 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$48.61 / BUNDLE
IN STOCK Ready-to-use white corrugated literature mailers sized perfectly at 9" x 9" x 4" for professional product shipments and promotional materials. Built with durable ECT-32-B corrugated construction and snug-fitting self-seal tabs that require no additional supplies. Ships as a cost-effective 50-pack bundle ideal for e-commerce brands.
Boxes - Mailers

9x9x4 White Corrugated Literature Mailers 50-Pack

PN: ML994

9 x 9 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$88.87 / BUNDLE
IN STOCK Professional 9" x 9" x 3" white corrugated literature mailers designed for e-commerce brands seeking cost-effective, crush-resistant packaging. Self-sealing tabs ensure secure closure without additional supplies. Each bundle contains 50 ready-to-assemble mailers built from durable ECT-32-B corrugated material.
Boxes - Mailers

9x9x3 White Self-Seal Corrugated Literature Mailers 50-Pack

PN: M993

9 x 9 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$66.84 / BUNDLE
IN STOCK Ship literature, documents, and promotional materials with professional confidence using these 9x9x2 white corrugated literature mailers. Features self-sealing tabs that fit snugly for secure closure and strong ECT-32-B corrugated construction that resists crushing. Bundle of 50 ready to fold and ship.
Boxes - Mailers

9x9x2 White Self-Seal Corrugated Literature Mailers 50/Bundle

PN: ML992

9 x 9 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$51.65 / BUNDLE
IN STOCK Professional 9" x 8" x 2" white corrugated literature mailers deliver your promotional materials with crush-resistant protection. ECT-32-B construction with snug self-sealing tabs requires zero additional supplies for secure closure. Pre-sized to eliminate custom carton costs–50 units per bundle.
Boxes - Mailers

9x8x2 White Self-Seal Corrugated Literature Mailers 50-Pack

PN: ML982

9 x 8 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$47.09 / BUNDLE
IN STOCK Professional-grade 9x7.5x3 white corrugated literature mailers designed for e-commerce brands shipping catalogs, brochures, and marketing materials. Heavy-duty ECT-32-B construction delivers crush resistance and reliable protection in a fold-and-tuck format requiring no additional supplies. Bundle of 50 mailers ready to ship.
Boxes - Mailers

9x7.5x3 ECT-32-B White Corrugated Literature Mailers 50/Bundle

PN: ML973

9 x 7.5 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$58.49 / BUNDLE
IN STOCK Ship marketing materials and catalogs with professional impact using these crush-resistant 9x6.5x6 white corrugated mailers. One-piece fold-and-tuck design requires no additional supplies–just assemble and ship. Strong ECT-32-B corrugated construction protects contents while snug-fitting tabs ensure secure closure every time. Bundle of 50 units.
Boxes - Mailers

9x6.5x6 White Corrugated Literature Mailers 50-Pack

PN: ML966

9 x 6.5 x 6 in ECT-32-B Corrugated 50 PER BUNDLE
$130.64 / BUNDLE
IN STOCK Ship marketing collateral and product literature with professional protection. These 9x6.5x4 white corrugated mailers feature self-sealing tabs for quick assembly–no extra supplies needed. ECT-32-B crush-resistant construction ensures your content arrives pristine, sold in convenient 50-piece bundles.
Boxes - Mailers

9x6.5x4 White Corrugated Literature Mailers 50/Bundle

PN: ML964

9 x 6.5 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$85.07 / BUNDLE
IN STOCK Professional white corrugated literature mailers sized 9" x 6.5" x 2.75" deliver branded unboxing experiences without custom tooling costs. ECT-32-B corrugated construction provides crush resistance for safe shipping, while snug-fitting tuck tabs enable quick assembly with zero additional supplies. Sold as a bundle of 50 mailers per unit.
Boxes - Mailers

9x6.5x2.75 White Corrugated Literature Mailers 50-Pack

PN: M962

9 x 6.5 x 2 3/4 in ECT-32-B Corrugated 50 PER BUNDLE
$45.01 / BUNDLE
IN STOCK Ship catalogs, brochures, and marketing materials with confidence using these 9x6.5x1.75 white corrugated literature mailers. Engineered with ECT-32-B crush-resistant construction and self-sealing tabs that fit snugly for secure closure. Bundle of 50–ready to assemble with zero additional supplies.
Boxes - Mailers

9x6.5x1.75 White Corrugated Literature Mailers 50-Pack

PN: ML961

9 x 6.5 x 1 3/4 in ECT-32-B Corrugated 50 PER BUNDLE
$51.65 / BUNDLE
IN STOCK Professional white corrugated literature mailers sized 9" x 6.25" x 4" with built-in self-sealing tabs for secure, crush-resistant packaging. Strong ECT-32-B construction eliminates custom carton costs. Ready-to-use 50-pack bundle–no additional supplies needed.
Boxes - Mailers

9x6.25x4 White Corrugated Literature Mailers 50-Pack M964

PN: M964

9 x 6.25 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$76.71 / BUNDLE
IN STOCK Professional 9" x 4" x 3" white corrugated literature mailers designed for e-commerce brands who demand reliability without custom tooling costs. ECT-32-B crush-resistant construction with snug-fitting self-seal tabs ensures your branded materials arrive in pristine condition. Bundle of 50–ready to assemble, no additional supplies required.
Boxes - Mailers

9x4x3 White Self-Seal Corrugated Literature Mailers 50-Pack

PN: ML943

9 x 4 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$53.17 / BUNDLE
IN STOCK Ship branded materials with professional presentation using these 8" x 8" x 4" white corrugated literature mailers. Strong ECT-32-B construction with self-securing tabs eliminates extra assembly supplies. Ideal for e-commerce brands needing cost-effective, crush-resistant shipping solutions in bulk quantities.
Boxes - Mailers

8x8x4 ECT-32-B White Corrugated Literature Mailers 50-Pack

PN: ML884

8 x 8 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$71.40 / BUNDLE

Product Help Request

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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

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Reorder

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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 ->