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.
In Stock SKU: M733

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

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.

$17.39 / BUNDLE (50 PER BUNDLE)
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Confirm this specSKU M733
Size
7 x 3 x 3 in
Material
ECT-32-B Corrugated
Color
White
Sold as
BUNDLE (50 PER BUNDLE)
Freight class
125
Material
ECT-32-B White Corrugated
Dimensions
7" L x 3" W x 3" H
Construction Type
One-Piece Fold-and-Tuck Design
Good fit for

Warehouse managers and fulfillment directors shipping small, lightweight items need reliable, cost-effective protection without assembly hassle. These 7 x 3 x 3" white corrugated mailers deliver ECT-32-B crush resistance in a one-piece design that folds in seconds, reducing labor time and postage costs per unit.

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SKU
M733
Product
7x3x3 ECT-32-B White Corrugated Mailers - Crush Resistant, 50/Bundle
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Best For

Warehouse managers and fulfillment directors shipping small, lightweight items need reliable, cost-effective protection without assembly hassle. These 7 x 3 x 3" white corrugated mailers deliver ECT-32-B crush resistance in a one-piece design that folds in seconds, reducing labor time and postage costs per unit.

How to Choose the Right Packaging

Manufactured from ECT-32-B white corrugated material, these mailers provide double-wall protection on front and sides without tape, glue, or staples. The fold-and-tuck design enables rapid assembly at scale while maintaining structural integrity, lowering your per-unit packaging cost and improving fulfillment throughput.

Specs at a Glance

MaterialECT-32-B White Corrugated
Dimensions7" L x 3" W x 3" H
Construction TypeOne-Piece Fold-and-Tuck Design
Quantity Per Bundle50 Mailers
RecyclableYes
Common Use Cases
  • Small electronics and tech accessories shipping Fragile lightweight items and jewelry protection E-commerce subscription box fulfillment Sample and promotional product distribution Direct-to-consumer beauty and cosmetics packaging
What You'll Receive
  • 50 x 7 x 3 x 3" white corrugated mailers Ready-to-fold one-piece design
Shipping & Packaging

Bundle of 50 mailers ships flat to maximize freight efficiency and storage density. Nested design reduces dimensional weight charges and warehouse footprint.

Frequently Bought Together

Related supplies

Frequently Asked Questions

ECT (Edge Crush Test) 32-B indicates 32 lbs per inch of edge crush strength with B-flute corrugation. This rating provides reliable protection for lightweight items while maintaining cost efficiency, ideal for e-commerce and fulfillment operations prioritizing volume and speed.

One-piece fold-and-tuck construction eliminates taping, gluing, and stapling. Experienced fulfillment teams fold and seal each mailer in 2-3 seconds, reducing labor per unit by up to 40% compared to traditional four-flap boxes.

Yes. ECT-32-B corrugation provides double-wall crush resistance on front and sides. These mailers withstand typical sortation and palletizing pressures without compromising contents, making them suitable for multi-tier freight consolidation.

Absolutely. The compact 7 x 3 x 3" footprint and lightweight corrugated construction lower dimensional weight charges. Nested shipments maximize carton-per-pallet density, reducing cost-per-unit and your logistics spend at scale.

Technical Specifications

Construction TypeOne-Piece Fold-and-Tuck Design
Quantity Per Bundle50 Mailers
RecyclableYes
Color White
Strength / Material ECT-32-B Corrugated
Dimensions (Internal) 7"" × 3"" × 3"" (L × W × H)

Product Downloads

Shipping Information

Outer Carton Dimensions

16.25" × 13.75" × 6.0" (L × W × D)

Unit of Measure

BUNDLE

Qty Per Shipping Unit

50 PER BUNDLE

LTL Freight Class

Class 125

Delivery Method

Shown at checkout

ORDER SUPPORT

Product Support

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