ECT-32-B white corrugated mailers in 12x6x3" dimensions ship lightweight items with double-wall crush resistance. One-piece fold-and-tuck design requires no tape, glue, or staples‚reducing assembly labor and fulfillment time. Sold as a 50-pack bundle.
In Stock SKU: M1263

12x6x3 ECT-32 White Corrugated Mailers - Crush Resistant, 50/Bundle

ECT-32-B white corrugated mailers in 12x6x3" dimensions ship lightweight items with double-wall crush resistance. One-piece fold-and-tuck design requires no tape, glue, or staples, reducing assembly labor and fulfillment time. Sold as a 50-pack bundle.

$62.75 / BUNDLE (50 PER BUNDLE)
Order timing and shipping options show at checkout
Delivery shown at checkout
Confirm this specSKU M1263
Size
12 x 6 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
12" L x 6" W x 3" H
Design
One-Piece Fold-and-Tuck Mailer
Good fit for

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.

Check before ordering

Confirm usable inside dimensions, closure type, color, and pack quantity.

Buying a larger quantity, matching this to an existing SKU, or setting up a repeat order?

Request quote help
Exact-spec procurement

Save this SKU and product link so reorders, quote requests, and AI-assisted buying workflows stay tied to the same item before checkout.

SKU
M1263
Product
12x6x3 ECT-32 White Corrugated Mailers - Crush Resistant, 50/Bundle
Reorder by SKU Request bulk quote

Confirm dimensions, material, pack count, price, and availability on this page before ordering.

Secure checkout | Delivery shown at checkout |

Best For

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.

How to Choose the Right Packaging

Manufactured from ECT-32-B white corrugated, these one-piece mailers require no tape, glue, or staples, they fold together in seconds for faster packing operations. The crush-resistant design provides double-wall protection during transit, reducing damage claims and product loss while saving freight weight on every shipment.

Specs at a Glance

MaterialECT-32-B White Corrugated
Dimensions12" L x 6" W x 3" H
DesignOne-Piece Fold-and-Tuck Mailer
Quantity per Bundle50 Units
RecyclableYes
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

Bundle of 50 mailers ships flat in a compact, space-efficient carton. Minimal packaging footprint reduces inbound freight costs and warehouse storage requirements.

Frequently Bought Together

Related supplies

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

DesignOne-Piece Fold-and-Tuck Mailer
Quantity per Bundle50 Units
RecyclableYes
Color White
Strength / Material ECT-32-B Corrugated
Dimensions (Internal) 12"" × 6"" × 3"" (L × W × H)

Product Downloads

Shipping Information

Outer Carton Dimensions

25.0" × 22.0" × 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

We aim to show product specs, case quantities, and availability clearly. Contact support if an item does not match the listed product details.

Secure checkout LTL freight available on case/skid orders

Buyer guides

Pick the right material, size, and gauge before you order.

Related products Shop mailers and envelopes

Compare usable size, padding, material, closure, and case quantity.

 Buying route Compare mailer vs box

Use this guide when item thickness or edge protection affects fit.

Corrugated Box Buying Guide

How to pick Single, Double, or Triple wall for your weight and stack requirements.

Read Guide →

How to Measure for Shipping

Measure inside and outside dimensions before choosing shipping supplies or estimating DIM-weight costs.

Read Guide →