Ideal for e-commerce fulfillment centers, subscription box operations, and small parts distributors shipping lightweight items under 1 pound. The 331" white corrugated mailer combines compact dimensions with ECT-32-B crush-resistant construction, reducing dimensional weight charges while maintaining product protection during last-mile delivery.
Best For
How to Choose the Right Packaging
Specs at a Glance
| Material | ECT-32-B White Corrugated |
| Dimensions | 3" L 3" W 1" H |
| Construction | One-Piece Fold-and-Tuck Design |
| Quantity Per Bundle | 50 Mailers |
| Recyclable | Yes |
Common Use Cases
- Small jewelry, watch, and accessory shipments Electronics components and tech gadget fulfillment Subscription box and beauty product packaging Apparel samples and fabric swatches Hardware and fastener distribution
What You'll Receive
- 50 white corrugated mailers (331") Ready-to-use fold-and-tuck format, no assembly required
Shipping & Packaging
Frequently Bought Together
Bundle & Save 5%Frequently Asked Questions
ECT-32-B provides 32 pounds per inch of edge crush strength, ensuring mailers resist crushing during conveyor systems and stacking up to 4, 5 boxes high. This rating is ideal for single-item shipments and protects your product reputation while reducing damage-related chargebacks.
No, the one-piece fold-and-tuck design self-closes securely without adhesives or fasteners. This eliminates assembly time, reduces supply chain complexity, and lowers per-unit packaging costs.
Approximately 10,000, 12,000 flat mailers per pallet. At 331", these mailers minimize dimensional weight surcharges on parcel carriers, directly improving your last-mile margin on lightweight shipments.
Yes, the double-wall corrugated construction on the front and sides provides crush resistance ideal for fragile, lightweight items like jewelry, electronics, and cosmetics. Combine with appropriate void fill for optimal protection during transit.
Technical Specifications
| Material | ECT-32-B White Corrugated |
| Dimensions | 3" L 3" W 1" H |
| Construction | One-Piece Fold-and-Tuck Design |
| Quantity Per Bundle | 50 Mailers |
| Recyclable | Yes |
| Color | White |
| Strength / Material | ECT-32-B Corrugated |
| Dimensions (Internal) | 3"" × 3"" × 1"" (L × W × H) |
Product Downloads
Shipping Information
Outer Carton Dimensions
10.0" × 9.75" × 5.0" (L × W × D)
Unit of Measure
BUNDLE
Qty Per Shipping Unit
50 PER BUNDLE
LTL Freight Class
Class 125
Carrier Eligibility
UPS Ground & Freight Eligible
TRUST & RELIABILITY
Product Support
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Buyer guides
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