Ship marketing materials and documents in style with these professional 12x12x1.25 white corrugated literature mailers. Featuring snug-fitting self-seal tabs for secure closure and crush-resistant ECT-32-B construction, each bundle of 50 requires zero additional supplies‚just fold, tuck, and ship. Perfect for e-commerce brands that demand professional presentation without custom carton costs.
In Stock SKU: ML12121

12x12x1.25 White Corrugated Literature Mailers - Self-Seal, 50-Pack

Ship marketing materials and documents in style with these professional 12x12x1.25 white corrugated literature mailers. Featuring snug-fitting self-seal tabs for secure closure and crush-resistant ECT-32-B construction, each bundle of 50 requires zero additional supplies, just fold, tuck, and ship. Use for e-commerce brands that demand professional presentation without custom carton costs.

$64.00 / BUNDLE (50 PER BUNDLE)
Order timing and delivery options show at checkout
UPS Eligible — Ground & Freight
Confirm this specSKU ML12121
Size
12 x 12 x 1 1/4 in
Material
ECT-32-B Corrugated
Color
White
Sold as
BUNDLE (50 PER BUNDLE)
Freight class
125
Material
ECT-32-B Corrugated Paperboard
Dimensions
12" L x 12" W x 1 1/4" H
Color
Oyster White
Good fit for

E-commerce brands shipping marketing collateral, catalogs, and promotional materials need reliable, professional packaging that protects contents without custom tooling costs. The 12 x 12 x 1 1/4" white literature mailer offers the perfect balance of protection and economy, with sturdy ECT-32-B corrugated construction that maintains brand presentation through shipping while keeping per-unit costs low at scale.

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

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Best For

E-commerce brands shipping marketing collateral, catalogs, and promotional materials need reliable, professional packaging that protects contents without custom tooling costs. The 12 x 12 x 1 1/4" white literature mailer offers the perfect balance of protection and economy, with sturdy ECT-32-B corrugated construction that maintains brand presentation through shipping while keeping per-unit costs low at scale.

How to Choose the Right Packaging

ECT-32-B corrugated construction provides crush-resistant durability that protects contents during transit and stacking, while the one-piece fold-and-tuck design with snug-fitting tabs eliminates the need for tape, glue, or additional assembly supplies. This die-cut mailer design reduces fulfillment labor, speeds packing operations, and presents a professional white exterior that reflects brand quality without the expense of custom carton runs.

Specs at a Glance

MaterialECT-32-B Corrugated Paperboard
Dimensions12" L x 12" W x 1 1/4" H
ColorOyster White
Closure TypeFold-and-Tuck with Integral Tabs
RecyclableYes
Common Use Cases
  • Shipping printed catalogs and brochures Mailing product samples and promotional materials Direct mail campaigns for B2B and B2C brands Packaging flat media like DVDs, CDs, and thin product inserts Fulfillment of subscription boxes and monthly literature distributions
What You'll Receive
  • 50 white corrugated literature mailers (12 x 12 x 1 1/4") Fold-and-tuck closure system with integral tabs
Shipping & Packaging

This bundle of 50 mailers ships flat in a compact bundle, reducing freight costs and storage footprint. Cases are palletized for efficient bulk orders, with delivery typically within 5-7 business days for in-stock SKUs.

Frequently Bought Together

Bundle & Save 5%

Frequently Asked Questions

No. The fold-and-tuck design with snug-fitting integral tabs creates a secure closure without any additional supplies, tape, or glue, reducing assembly time and fulfillment costs.

ECT-32-B (32 ECT) corrugated offers excellent crush resistance suitable for protecting literature, catalogs, and light to medium-weight contents during shipping and handling. It withstands typical warehouse stacking and transit stress.

Yes. The clean oyster white exterior is ideal for custom flexographic or digital printing, allowing you to add logos, return addresses, and marketing messages for enhanced brand presentation at scale.

This SKU is sold as a bundle of 50 mailers. For larger volume needs, bulk cases are available at tiered pricing, making them cost-effective for high-volume e-commerce fulfillment operations.

Technical Specifications

MaterialECT-32-B Corrugated Paperboard
Dimensions12" L x 12" W x 1 1/4" H
ColorOyster White
Closure TypeFold-and-Tuck with Integral Tabs
RecyclableYes
Color White
Strength / Material ECT-32-B Corrugated
Dimensions (Internal) 12"" × 12"" × 1 1/4"" (L × W × H)

Product Downloads

Shipping Information

Outer Carton Dimensions

28.5" × 18.5" × 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.

Read Guide →

How to Measure for Shipping

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

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