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 Industrial-grade 7x6x2" white corrugated mailers with ECT-32-B construction deliver double-wall crush resistance in a one-piece fold-and-tuck design. No tape, glue, or staples required–assemble in seconds and ship confidently. 50-pack bundle reduces per-unit costs for high-volume fulfillment operations.
Boxes - Mailers

7x6x2 ECT-32 White Corrugated Mailers 50-Pack

PN: M762

7 x 6 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$64.56 / BUNDLE
IN STOCK Premium ECT-32-B white corrugated mailers in 7x5x5 dimensions deliver double-wall crush resistance with zero assembly time–fold and ship in seconds. Lightweight design reduces postage costs while protecting small, fragile items. Bundle of 50 ready-to-ship mailers.
Boxes - Mailers

7x5x5 ECT-32-B White Corrugated Mailers 50-Pack

PN: M755

7 x 5 x 5 in ECT-32-B Corrugated 50 PER BUNDLE
$72.16 / BUNDLE
IN STOCK Ship small, lightweight items securely with these ECT-32-B white corrugated mailers. Each 7x5x3 one-piece mailer folds in seconds and provides double-wall crush resistance on front and sides–no tape, glue, or staples required. Bulk pack of 50 reduces per-unit cost and minimizes freight spend.
Boxes - Mailers

7x5x3 ECT-32-B White Corrugated Mailers 50/Bundle

PN: M753

7 x 5 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$61.52 / BUNDLE
IN STOCK Ship small, lightweight items with confidence using these 7x5x2 white corrugated mailers. ECT-32-B rated with double-wall crush resistance on front and sides. One-piece fold-and-tuck design assembles in seconds–no tape, glue, or staples required. Bundle of 50 mailers.
Boxes - Mailers

7x5x2 ECT-32-B White Corrugated Mailers 50/Bundle

PN: M752

7 x 5 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$32.65 / BUNDLE
IN STOCK Professional-grade ECT-32-B white corrugated mailers sized 7" x 5" x 1" designed for warehouse managers shipping literature, samples, and lightweight items. One-piece fold-and-tuck design eliminates tape and assembly time while double-wall construction provides crush resistance. Sold as 50/bundle to maximize your freight efficiency and reduce per-unit costs.
Boxes - Mailers

7x5x1 ECT-32-B White Corrugated Mailers 50/Bundle

PN: M751

7 x 5 x 1 in ECT-32-B Corrugated 50 PER BUNDLE
$48.61 / BUNDLE
IN STOCK Industrial-grade ECT-32-B white corrugated mailers engineered for maximum crush resistance with minimal weight. One-piece fold-and-tuck design ships securely in seconds–no tape or staples required. 50-pack bundle optimizes your fulfillment workflow and reduces packaging costs.
Boxes - Mailers

7x4x3 ECT-32-B White Corrugated Mailers 50-Pack

PN: M743

7 x 4 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$29.30 / BUNDLE
IN STOCK Ship lightweight items safely with ECT-32-B white corrugated mailers that crush-proof your shipments instantly. One-piece fold-and-tuck design–no tape, glue, or staples required. Bundle of 50 mailers saves on freight and material costs per unit.
Boxes - Mailers

7x4x2 ECT-32-B White Corrugated Mailers 50-Pack

PN: M742

7 x 4 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$24.12 / BUNDLE
IN STOCK ECT-32-B white corrugated mailers engineered for lightweight shipping without sacrifice. These 7x4x1 crush-resistant mailers fold in seconds–no tape, glue, or staples required. Bundle of 50 delivers maximum freight efficiency and labor savings for high-volume fulfillment operations.
Boxes - Mailers

7x4x1 ECT-32 White Corrugated Mailers 50-Pack

PN: M741

7 x 4 x 1 in ECT-32-B Corrugated 50 PER BUNDLE
$37.22 / BUNDLE
IN STOCK Industrial-strength ECT-32-B corrugated mailers built for e-commerce fulfillment centers and warehouse operations. One-piece fold design assembles in seconds with zero tape, glue, or staples required. Crush-resistant construction delivers double-wall protection on front and sides–ideal for small to medium parcels that demand reliability.
Boxes - Mailers

7x3x3 ECT-32-B White Corrugated Mailers 50/Bundle

PN: M733

7 x 3 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$20.84 / BUNDLE
IN STOCK Ship small items with confidence using these ECT-32-B white corrugated mailers. One-piece fold-and-tuck design provides double-wall protection without tape, glue, or staples. Bundle of 50 delivers maximum freight efficiency and cost savings for high-volume fulfillment operations.
Boxes - Mailers

7x3x2 ECT-32 White Corrugated Mailers 50-Pack

PN: M732

7 x 3 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$22.46 / BUNDLE
IN STOCK Lightweight, crush-resistant one-piece mailers engineered for small package protection without added postage costs. ECT-32-B corrugated construction with fold-and-tuck assembly–no tape, glue, or staples required. Ideal for e-commerce fulfillment centers shipping fragile items in 7x3x1" dimensions.
Boxes - Mailers

7x3x1 ECT-32-B White Corrugated Mailers 50-Pack

PN: M731

7 x 3 x 1 in ECT-32-B Corrugated 50 PER BUNDLE
$28.86 / BUNDLE
IN STOCK Ship small items with confidence using these ECT-32-B white corrugated mailers. The one-piece fold-and-tuck design assembles in seconds without tape, glue, or staples–reducing prep labor and postage costs. Crush-resistant construction provides double-wall protection on front and sides.
Boxes - Mailers

7x2x2 ECT-32-B White Corrugated Mailers 50-Pack

PN: M722

7 x 2 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$20.51 / BUNDLE
IN STOCK Lightweight yet durable ECT-32-B white corrugated mailers in 6.5" x 4.875" x 3.75" dimension–no tape or glue required. Double-wall crush-resistant design protects small, fragile items while reducing freight costs. Sold as a convenient 50-pack bundle ready to deploy.
Boxes - Mailers

6.5x4.875x3.75 ECT-32 White Corrugated Mailers 50-Pack

PN: MLR4

6 1/2 x 4.875 x 3 3/4 in ECT-32-B Corrugated 50 PER BUNDLE
$38.74 / BUNDLE
IN STOCK Ship small packages 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 keeping freight costs low. 50-box bundle optimized for high-volume fulfillment operations.
Boxes - Mailers

6.5x4.875x2.625 ECT-32 White Corrugated Mailers 50/Bundle

PN: MRX6X

6 1/2 x 4.875 x 2 5/8 in ECT-32-B Corrugated 50 PER BUNDLE
$34.94 / BUNDLE
IN STOCK Industrial-grade ECT-32 white corrugated mailers in 6.5x3.625x2.5 dimensions deliver crush-resistant protection with zero assembly required. One-piece fold-and-tuck design eliminates tape, glue, and labor costs. Bundle of 50 units optimizes freight efficiency and reduces per-unit packaging spend.
Boxes - Mailers

6.5x3.625x2.5 ECT-32 White Corrugated Mailers 50-Pack

PN: MRX4X

6 1/2 x 3.625 x 2 1/2 in ECT-32-B Corrugated 50 PER BUNDLE
$22.79 / BUNDLE
IN STOCK Ship small, lightweight items with confidence using these ECT-32-B white corrugated mailers. One-piece design folds flat in seconds with no tape, glue, or staples required–double-wall crush protection on front and sides. Bundle of 50 mailers reduces per-unit costs and shipping weight for warehouses processing high volumes.
Boxes - Mailers

6.5x2.5x1.75 ECT-32 White Corrugated Mailers 50-Pack

PN: MRX2X

6 1/2 x 2.5 x 1 3/4 in ECT-32-B Corrugated 50 PER BUNDLE
$15.65 / BUNDLE

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 ->