Ideal for warehouse managers and fulfillment directors shipping small, lightweight items that require reliable crush protection. These 12" x 6" x 3" white corrugated mailers combine ECT-32-B material strength with lightweight construction to reduce postage costs while maintaining double-wall protection on front and sides.

Best For
How to choose
Specs at a Glance
| Material | ECT-32-B White Corrugated |
| Dimensions | 12" L x 6" W x 3" H |
| Design | One-Piece Fold-and-Tuck Mailer |
| Quantity per Bundle | 50 Units |
| Recyclable | Yes |
Common Use Cases
- E-commerce small parcel shipping Fragile item protection for books, electronics, and accessories Lightweight product distribution to reduce dimensional weight charges Same-day fulfillment operations requiring fast pack-and-ship solutions Multi-unit orders where volume savings and bulk pricing are critical
What You'll Receive
- 50 white corrugated mailers (12x6x3 inches) Ready-to-fold one-piece construction, no assembly required
Shipping & Packaging
Frequently Asked Questions
ECT (Edge Crush Test) 32-B indicates the corrugated material can withstand 32 pounds of crushing force per linear inch. This rating ensures reliable protection during stacking and transit, reducing damage-related returns and customer service costs while remaining lightweight enough to minimize postage surcharges.
Zero. These one-piece fold-and-tuck mailers fold together in seconds with no tape, glue, or staples needed. This simplifies your fulfillment workflow, reduces labor costs, and speeds up pack-and-ship cycles during peak order periods.
Yes. The crush-resistant design features double walls of protection on the front and sides, making them ideal for shipping small fragile items like electronics, glassware, or delicate products. The ECT-32-B material provides structural integrity throughout transit.
Beyond eliminating tape and packing material costs, the lightweight construction reduces dimensional weight charges on every shipment. Bulk purchasing at 50-unit bundle pricing further increases per-unit savings, with additional volume discounts available for larger order volumes.
Technical Specifications
| Design | One-Piece Fold-and-Tuck Mailer |
| Quantity per Bundle | 50 Units |
| Recyclable | Yes |
| Color | White |
| Strength / Material | ECT-32-B Corrugated |
| Dimensions (Internal) | 12" × 6" × 3" (L × W × H) |
Shipping Information
Outer Carton Dimensions
12" × 6" × 3" (L × W × H)
Unit of Measure
BUNDLE
Qty Per Shipping Unit
50 PER BUNDLE
LTL Freight Class
Class 125
Delivery Method
Shown at checkout
Processing and delivery timelines vary by product, warehouse, order size, and destination. Freight-sensitive or oversized items may require LTL delivery or a custom quote before shipment.
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ORDER SUPPORT
Product Support
Specs, case quantities, and availability are listed on each product page. For bulk, mixed-SKU, or LTL freight orders, email support@packrift.com with the SKU, quantity, and delivery ZIP.
Use product support for fit, larger or recurring order, return, or order-issue questions. When price and Add to Cart are shown, checkout remains the direct ordering path.
Need a sample, fit check, or substitution review? Contact product support with the SKU, selected option, order quantity, and use case. Support will confirm the available path for that item.
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Use this product as the source
12" x 6" x 3" ECT-32 White Corrugated Mailers, 50-Pack
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