In Stock SKU: M3RBXL

12x11.75x3.25 White Corrugated Literature Mailers - 50 Pack

Pre-sized white corrugated literature mailers eliminate custom carton costs while maintaining professional presentation. ECT-32-B construction resists crushing and puncture damage during shipping. Quick fold-and-tuck assembly requires no additional supplies, get 50 mailers per bundle.

$76.19 / BUNDLE (50 PER BUNDLE)
Order timing and delivery options show at checkout
UPS Eligible — Ground & Freight
Confirm this specSKU M3RBXL

12 x 11.75 x 3.25 corrugated mailers, sold as a 50-pack. Commonly used for documents, catalogs, samples, and flat pack shipments.

Size
12 x 11.75 x 3 1/4 in
Material
ECT-32-B Corrugated
Color
White
Sold as
BUNDLE (50 PER BUNDLE)
Freight class
125
Material
ECT-32-B White Corrugated Cardboard
Dimensions
12" L x 11" W x 3¼" H
Closure Type
One-Piece Fold-and-Tuck with Integrated Tabs
Good fit for

E-commerce brands and marketing teams shipping catalogs, brochures, and promotional materials need reliable, professional packaging that protects contents without custom tooling costs. The 12 x 11 x 31/4" white literature mailer delivers crush-resistant ECT-32-B corrugated construction in a pre-designed, ready-to-assemble format that presents your brand professionally while reducing packaging expenses by 40-60% versus custom solutions.

Check before ordering

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

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Best For

E-commerce brands and marketing teams shipping catalogs, brochures, and promotional materials need reliable, professional packaging that protects contents without custom tooling costs. The 12 x 11 x 31/4" white literature mailer delivers crush-resistant ECT-32-B corrugated construction in a pre-designed, ready-to-assemble format that presents your brand professionally while reducing packaging expenses by 40-60% versus custom solutions.

How to Choose the Right Packaging

ECT-32-B corrugated construction provides puncture and crush resistance, ensuring literature arrives in pristine condition and maintains brand perception. The one-piece fold-and-tuck design with snug-fitting tabs requires zero additional supplies, assemble in seconds and seal immediately, eliminating assembly labor costs while maintaining secure closure throughout transit.

Specs at a Glance

MaterialECT-32-B White Corrugated Cardboard
Dimensions12" L x 11" W x 3¼" H
Closure TypeOne-Piece Fold-and-Tuck with Integrated Tabs
Quantity Per Bundle50 Mailers
RecyclableYes
Common Use Cases
  • Shipping product catalogs and brochures to retail partners Mailing promotional materials and marketing collateral Packaging educational literature and compliance documents Direct mail campaigns for e-commerce customer acquisition Industry trade show materials and conference handouts
What You'll Receive
  • Bundle of 50 pre-scored white corrugated mailers Integrated fold-and-tuck closure tabs (no tape or adhesive required)
Shipping & Packaging

Mailers ship flat in compressed bundles to minimize freight costs and warehouse space. Each bundle of 50 occupies minimal cubic footage, reducing inbound logistics expenses for high-volume ordering.

Frequently Bought Together

Bundle & Save 5%

Frequently Asked Questions

No. The one-piece design features integrated tabs that fold and tuck securely into the carton. Simply assemble and close, no tape, adhesive, or extra materials needed, saving time and reducing per-unit packaging costs.

ECT-32-B refers to Edge Crush Test rating of 32 pounds per linear inch, indicating strong, puncture-resistant construction. This specification ensures your literature survives rough handling, transport vibration, and stacking without damage, protecting your brand image in customer hands.

These mailers are optimized for literature, documents, and flat materials up to 31/4" thick. For fragile items, electronics, or products requiring additional cushioning, we recommend reinforced mailers with interior protection or custom packaging solutions.

Standard mailers ship plain white. For branded or custom-printed versions, contact our sales team to discuss custom printing options, minimum order quantities, and lead times. Pre-designed white mailers are available for immediate shipment.

Technical Specifications

MaterialECT-32-B White Corrugated Cardboard
Dimensions12" L x 11" W x 3¼" H
Closure TypeOne-Piece Fold-and-Tuck with Integrated Tabs
Quantity Per Bundle50 Mailers
RecyclableYes
Color White
Strength / Material ECT-32-B Corrugated
Dimensions (Internal) 12"" × 11.75"" × 3 1/4"" (L × W × H)

Product Downloads

Shipping Information

Outer Carton Dimensions

34.0" × 26.75" × 6.0" (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

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