Ship documents and literature with professional confidence using these 11.5x11.5x3.75" kraft corrugated mailers. Self-sealing design assembles in seconds without tape, glue, or staples‚reducing prep time and labor costs. ECT-32-B strength ensures your shipments arrive crush-proof and protected.
In stock SKU M11113K

11.5x11.5x3.75" Kraft Literature Mailers Self-Seal ECT-32, 50/Bundle

$85.57/ BUNDLE
$1.71 per unit
Sold in BUNDLE of 50
1 BUNDLE = 50 units Total $85.57
Ships from US warehouses · Shipping calculated at checkout
  • Ships from 5 US warehouses
  • Secure checkout
  • Bulk pricing on request
Specifications
SKUM11113K
Dimensions11 1/2" × 11 1/2" × 3 3/4"
Material / strengthECT-32-B Corrugated
Sold asBUNDLE of 50
BrandPackrift
Freight class125
GTIN841436090117
Shipping & returns

Packrift ships from five US warehouses (Central IL, Northeast PA, South TX, Southeast GA, West CA). The nearest warehouse with stock ships your order. Final shipping cost is shown at checkout based on weight, dimensions, and ZIP.

Oversized or high-volume orders may route via LTL freight; the freight quote is calculated live at checkout.

Shipping policy · Refund policy · Support

Best For

E-commerce brands and document-heavy businesses shipping catalogs, brochures, and marketing collateral need reliable, professional packaging that protects contents without custom tooling costs. These 111/2 x 111/2 x 33/4" kraft literature mailers deliver crush-resistant ECT-32-B corrugated construction in a square format ideal for flat documents and promotional materials, with self-seal assembly that eliminates tape, glue, and labor.

How to choose

ECT-32-B corrugated kraft construction provides puncture and crush resistance for demanding supply chains, while the one-piece die-cut design assembles in seconds without adhesives or fasteners. The professional kraft appearance enhances brand perception during unboxing, and the self-seal mechanism ensures secure transit while reducing fulfillment time and packaging material waste.

Specs at a Glance

MaterialECT-32-B Corrugated Kraft
Dimensions11½ x 11½ x 3¾ inches
Assembly TypeSelf-Seal (No Tape/Glue Required)
Quantity Per Bundle50 Mailers
RecyclableYes
Common Use Cases
  • Shipping marketing catalogs and product brochures Mailing promotional flyers and direct marketing pieces Packaging sample collections and media kits Distributing documents, certificates, and educational materials E-commerce fulfillment for flat merchandise and printed goods
What You'll Receive
  • 50 pre-scored, die-cut kraft literature mailers Self-seal closure system (ready to assemble)
Shipping & Packaging

Bundle of 50 mailers ships flat to minimize storage space and freight costs. Arrives in compact, ready-to-assemble format requiring minimal warehouse footprint before fulfillment deployment.

Frequently Asked Questions

These self-seal mailers assemble in seconds without tape, glue, or staples. Simply fold, tuck, and seal, dramatically reducing fulfillment labor time compared to traditional taped boxes.

Yes. The ECT-32-B corrugated kraft construction provides excellent crush resistance and puncture protection, safeguarding documents and flat merchandise through standard parcel handling and transit.

Yes. Made from 100% recyclable kraft corrugated material, these mailers align with sustainable packaging initiatives and support eco-conscious brand messaging.

The 111/2 x 111/2" footprint accommodates standard letter and legal-size documents, catalogs, brochures, and flat merchandise up to 33/4" thickness, making them ideal for most literature and promotional materials.

Technical Specifications

Assembly TypeSelf-Seal (No Tape/Glue Required)
Quantity Per Bundle50 Mailers
RecyclableYes
Color Kraft
Strength / Material ECT-32-B Corrugated
Dimensions (Internal) 11 1/2" × 11 1/2" × 3 3/4" (L × W × H)

Shipping Information

Outer Carton Dimensions

11 1/2" × 11 1/2" × 3 3/4" (L × W × H)

Unit of Measure

BUNDLE

Qty Per Shipping Unit

50 PER BUNDLE

LTL Freight Class

Class 125

Delivery Method

Shown at checkout

Processing and delivery timelines vary by product, warehouse, order size, and destination. Freight-sensitive or oversized items may require LTL delivery or a custom quote before shipment.

Checkout shows available shipping options for the selected SKU and quantity. Use the shipping and refund policy links for current policy details before ordering.

For larger, recurring, freight-sensitive, or mixed-SKU orders, send the SKU or product link, quantity, delivery ZIP code, receiving notes, and timing to support@packrift.com.

ORDER SUPPORT

Product Support

Specs, case quantities, and availability are listed on each product page. For bulk, mixed-SKU, or LTL freight orders, email support@packrift.com with the SKU, quantity, and delivery ZIP.

Use product support for fit, larger or recurring order, return, or order-issue questions. When price and Add to Cart are shown, checkout remains the direct ordering path.

Need a sample, fit check, or substitution review? Contact product support with the SKU, selected option, order quantity, and use case. Support will confirm the available path for that item.

Contact product support
Secure checkout LTL freight available on case/skid orders

Buyer guides

Buying notes and spec resources stay here instead of taking space above the cart.

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Use this product as the source 11.5x11.5x3.75" Kraft Literature Mailers Self-Seal ECT-32, 50/Bundle

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