Ship marketing materials and product literature with professional presentation using these 11.5x11.5x3.75" white corrugated mailers. ECT-32-B construction provides crush resistance and structural integrity, while self-sealing tabs ensure secure closure without additional supplies. Bundle of 50 ready-to-assemble cartons eliminates custom design costs.
In Stock SKU: M11113

11.5x11.5x3.75" White Corrugated Literature Mailers - 50 Pack

Ship marketing materials and product literature with professional presentation using these 11.5x11.5x3.75" white corrugated mailers. ECT-32-B construction provides crush resistance and structural integrity, while self-sealing tabs ensure secure closure without additional supplies. Bundle of 50 ready-to-assemble cartons eliminates custom design costs.

$86.55 / BUNDLE (50 PER BUNDLE)
Order timing and delivery options show at checkout
UPS Eligible — Ground & Freight
Confirm this specSKU M11113

11.5 x 11.5 x 3.75 corrugated mailers, sold as a 50-pack. Commonly used for documents, catalogs, samples, and flat pack shipments.

Size
11 1/2 x 11 1/2 x 3 3/4 in
Material
ECT-32-B Corrugated
Color
White
Sold as
BUNDLE (50 PER BUNDLE)
Freight class
125
Material
ECT-32-B Corrugated Cardboard
Dimensions
11¬Ω" L x 11¬Ω" W x 3" H
Color
Oyster White
Good fit for

E-commerce brands shipping marketing collateral, catalogs, and promotional materials need a professional, cost-effective solution that arrives pristine. These 11¬Ω x 11¬Ω x 3" white literature mailers combine sturdy ECT-32-B corrugated construction with a clean, branded appearance‚perfect for businesses looking to eliminate custom box expenses while maintaining premium unboxing experiences.

Check before ordering

Confirm usable dimensions, closure, rigidity, color, and pack quantity.

Secure checkout | US warehouse shipping |

Best For

E-commerce brands shipping marketing collateral, catalogs, and promotional materials need a professional, cost-effective solution that arrives pristine. These 11¬Ω x 11¬Ω x 3" white literature mailers combine sturdy ECT-32-B corrugated construction with a clean, branded appearance‚perfect for businesses looking to eliminate custom box expenses while maintaining premium unboxing experiences.

How to Choose the Right Packaging

The self-sealing tab closure requires no additional supplies and locks securely without adhesive tape, ensuring your literature stays protected throughout transit. ECT-32-B corrugated material provides crush resistance and puncture protection, while the bright white exterior delivers a professional presentation that enhances brand perception on arrival.

Specs at a Glance

MaterialECT-32-B Corrugated Cardboard
Dimensions11¬Ω" L x 11¬Ω" W x 3" H
ColorOyster White
Closure TypeSelf-Sealing Tuck Tab (No Tape Required)
RecyclableYes
Common Use Cases
  • Mailing product catalogs and brochures to B2B clients Shipping promotional materials, flyers, and direct mail campaigns Packaging literature bundles for trade shows and events Shipping flat media, documents, and printed collateral Fulfilling subscription box inserts and marketing packages
What You'll Receive
  • 50 pre-scored, ready-to-assemble white literature mailer boxes Built-in self-sealing tabs for secure closure
Shipping & Packaging

This bundle of 50 mailers ships flat in compact form, minimizing freight costs. Boxes arrive nested and ready to assemble‚just fold and tuck tabs for immediate use without additional supplies or equipment.

Nearby exact-spec options

Use these when the size, material, pack quantity, or workflow is close but not identical.

Professional-grade 12x12x4 white corrugated mailers designed for e-commerce brands shipping catalogs, brochures, and promotional materials. Features self-sealing tabs for secure closure and ECT-32-B crush-resistant construction that protects contents in transit. Bundle of 50 ready to assemble‚no additional supplies required.nearby size option 12x12x4 White Corrugated Literature Mailers - ECT-32-B, 50-Pack SKU M12124 · BUNDLE $95.69 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.nearby size option 12x11.75x3.25 White Corrugated Literature Mailers - 50 Pack SKU M3RBXL · BUNDLE $76.19 Professional white corrugated literature mailer sized 11" x 11" x 4" with integrated self-sealing tabs that fit snugly for secure closure. Made from durable ECT-32-B corrugated material designed for quick assembly without additional supplies. Sold in convenient bundles of 25.nearby size option 11x11x4 White Corrugated Literature Mailer - Self-Seal, 25 Pack SKU ML11114 · BUNDLE $71.01

Frequently Bought Together

Bundle & Save 5%

Frequently Asked Questions

No. The self-sealing tuck tabs lock snugly within the carton walls, providing a secure closure without tape, glue, or staples. This saves assembly time and reduces packaging material costs.

Yes. ECT-32-B corrugated construction provides excellent crush resistance and puncture protection, ensuring your catalogs, brochures, and promotional materials arrive undamaged and maintain professional presentation.

These mailers are designed for standard literature‚catalogs, brochures, flyers, and promotional materials. The 3" depth accommodates typical paper thicknesses. For heavier items, consult specifications or contact our team for alternative sizes.

These white literature mailers are sold in bundles of 50 boxes per case, providing economical pricing for businesses that ship marketing collateral regularly. Bulk ordering options are available for larger volume needs.

Technical Specifications

MaterialECT-32-B Corrugated Cardboard
Dimensions11¬Ω" L x 11¬Ω" W x 3" H
ColorOyster White
Closure TypeSelf-Sealing Tuck Tab (No Tape Required)
RecyclableYes
Color White
Strength / Material ECT-32-B Corrugated
Dimensions (Internal) 11 1/2"" × 11 1/2"" × 3 3/4"" (L × W × H)

Product Downloads

Shipping Information

Outer Carton Dimensions

35.0" × 28.0" × 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

Buyer guides

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

Corrugated Box Buying Guide

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

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How to Measure for Shipping

Measure inside dimensions to avoid DIM-weight surcharges from UPS, FedEx, and USPS.

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