Professional white corrugated literature mailers (12 1/8" x 9 1/4" x 4") with self-sealing tabs and ECT-32-B crush-resistant construction. No assembly supplies needed‚fold, tuck, and ship. Bundle of 50 per carton.
In Stock SKU: M1294

12 1/8 x 9 1/4 x 4" White Corrugated Literature Mailers - Self-Seal, 50 Bundle

Professional white corrugated literature mailers (12 1/8" x 9 1/4" x 4") with self-sealing tabs and ECT-32-B crush-resistant construction. No assembly supplies needed‚fold, tuck, and ship. Bundle of 50 per carton.

$70.31 / BUNDLE (50 PER BUNDLE)
Order timing and delivery options show at checkout
UPS Eligible — Ground & Freight
Confirm this specSKU M1294

12 1/8 x 9 1/4 x 4 corrugated mailers. Commonly used for documents, catalogs, samples, and flat pack shipments.

Size
12 1/8 x 9 1/4 x 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
12 1/8" L x 9 1/4" W x 4" H
Color
Oyster White
Good fit for

E-commerce brands, publishers, and marketing agencies shipping catalogs, brochures, and promotional materials need professional presentation without custom tooling costs. The 12 1/8" x 9 1/4" x 4" format accommodates standard literature sizes perfectly while the ECT-32-B corrugated construction ensures your shipments arrive crush-resistant and pristine.

Check before ordering

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

Secure checkout | US warehouse shipping |

Best For

E-commerce brands, publishers, and marketing agencies shipping catalogs, brochures, and promotional materials need professional presentation without custom tooling costs. The 12 1/8" x 9 1/4" x 4" format accommodates standard literature sizes perfectly while the ECT-32-B corrugated construction ensures your shipments arrive crush-resistant and pristine.

How to Choose the Right Packaging

Self-sealing tabs grip securely within the carton walls, eliminating tape and assembly supplies while maintaining a polished, branded appearance. The ECT-32-B white corrugated material provides superior puncture and crush resistance, protecting contents during transit while the one-piece fold-and-tuck design enables rapid assembly for high-volume shipping operations.

Specs at a Glance

MaterialECT-32-B Corrugated Cardboard
Dimensions12 1/8" L x 9 1/4" W x 4" H
ColorOyster White
Closure TypeSelf-Sealing Tab and Tuck
RecyclableYes
Common Use Cases
  • Shipping marketing catalogs and product brochures Mailing promotional materials and direct mail campaigns Packaging samples and literature for trade shows Distributing educational materials and whitepapers Fulfilling subscription boxes and monthly literature clubs
What You'll Receive
  • Bundle of 50 one-piece mailer cartons Pre-scored fold lines for quick assembly
Shipping & Packaging

Ships flat for maximum space efficiency and minimal dimensional weight charges. Arrives in bales, ready to assemble and deploy immediately‚no setup or additional supplies required.

Nearby exact-spec options

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

Professional white deluxe literature mailers with self-sealing front locking tabs and protective side flaps for maximum crush resistance. Features strong ECT-32-B corrugated construction‚assembles in seconds without tape, glue, or staples. Sold as a bundle of 50 ready-to-ship mailers.same size option 12 1/8x9 1/4x4 White Deluxe Literature Mailers - Self-Seal, 50/Bundle SKU MFL1294 · BUNDLE $87.77 Ship documents professionally with zero assembly hassle. These 12 1/8 x 9 1/4 x 4" self-seal kraft corrugated mailers assemble instantly without tape, glue, or staples. Strong ECT-32-B construction crushes-proof protection in every 50-box bundle.same size option 12 1/8 x 9 1/4 x 4" Kraft Literature Mailers - Self-Seal, 50/Bundle SKU M1294K · BUNDLE $68.87 Heavy-duty ECT-32-B white corrugated mailers in 12x9x4 dimensions deliver crush-resistant protection with zero assembly time. One-piece fold-and-tuck design requires no tape, glue, or staples‚saving your team labor costs while cutting postage expenses. Sold as a bundle of 50 per case.nearby size option 12x9x4 ECT-32-B White Corrugated Mailers - Crush Resistant, Bundle of 50 SKU MLR1294 · BUNDLE $104.83

Frequently Bought Together

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Frequently Asked Questions

No. The self-sealing tabs are engineered to grip securely within the carton walls, creating a professional closure without tape, glue, or staples. This reduces assembly time and eliminates supply costs while maintaining a clean, branded appearance.

Yes. The ECT-32-B corrugated construction provides excellent crush and puncture resistance, protecting literature, brochures, and samples from damage during transit. The snug-fitting tabs add additional rigidity to prevent shifting.

These literature mailers are optimized for lightweight to medium-weight contents‚typically up to 2-3 lbs depending on material density. For heavier shipments, consider a thicker corrugation grade.

Yes. The ECT-32-B corrugated cardboard is 100% recyclable and made from recycled fiber content, making it an eco-conscious choice for brands committed to sustainable packaging practices.

Technical Specifications

MaterialECT-32-B Corrugated Cardboard
Dimensions12 1/8" L x 9 1/4" W x 4" H
ColorOyster White
Closure TypeSelf-Sealing Tab and Tuck
RecyclableYes
Color White
Strength / Material ECT-32-B Corrugated
Dimensions (Internal) 12 1/8"" × 9 1/4"" × 4"" (L × W × H)

Product Downloads

Shipping Information

Outer Carton Dimensions

31.0" × 29.5" × 5.75" (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

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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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