In stock SKU ML18123KGTIN 848109009230

18x12x3 Kraft Literature Mailer ECT-32B Self-Seal - 50 Pack

Ship documents and literature with confidence using these 18x12x3 kraft corrugated mailers. Manufactured from durable ECT-32B material with self-seal closure–no tape, glue, or staples required. Perfect for e-commerce brands seeking professional presentation at scale.
$63.23 / bundle of 25$2.53 per mailer
= 25 mailers · Total $63.23
Request bulk pricing

Ships from the nearest of 5 US warehouses · freight calculated at checkout

30-day returns on stock items · Return policy

Inside dimensions 18" × 12" × 3"
Board / material ECT-32-B Corrugated
Color Kraft
Freight class Class 125

Specifications

Inside dimensions18" × 12" × 3" (L × W × H)
Board / materialECT-32-B Corrugated
ColorKraft
Sold asBundle of 25
Order in multiples of25
Bundle weight14.34 lb
Outer carton (shipping)33.75 × 31.5 × 3.0 in
LTL freight classClass 125
GTIN848109009230
SKUML18123K

About this item

SKU ML18123K — 18" × 12" × 3", ECT-32-B Corrugated, Kraft. Sold as a bundle of 25, shipped from US warehouses.

Ship documents and literature with confidence using these 18x12x3 kraft corrugated mailers. Manufactured from durable ECT-32B material with self-seal closure, no tape, glue, or staples required. Use for e-commerce brands seeking professional presentation at scale.

Nearby exact-spec options

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

Premium 18x12x3" deluxe literature mailers made from strong ECT-32-B kraft corrugated cardboard. Features protective side flaps and front tuck closure for maximum document protection. Folds and assembles in seconds without tape, glue, or staples–sold in bundles of 25.same size option 18x12x3" Kraft Corrugated Literature Mailer - Crush Resistant, 25-Pack SKU MFL18123K · BUNDLE $80.48Professional-grade 18" x 12" x 3" white corrugated literature mailer with secure self-sealing tabs and crush-resistant ECT-32-B construction. Sold in bundles of 25–no assembly supplies required. Perfect for e-commerce brands shipping catalogs, brochures, and promotional materials without custom carton costs.same size option 18x12x3 White Corrugated Literature Mailer - Self-Seal, 25 Bundle SKU ML18123 · BUNDLE $58.49Professional-grade 18x12x3 white corrugated literature mailers engineered for e-commerce brands that demand crush-resistant protection without assembly hassle. Front locking tabs and protective side flaps secure documents instantly–no tape, glue, or staples required. Sold as a convenient bundle of 25.same size option 18x12x3 White Corrugated Literature Mailers - Crush-Resistant, 25 Bundle SKU MFL18123 · BUNDLE $58.87

Frequently bought with

Common questions

How much assembly time does each mailer require?
Zero, our fold-and-tuck design requires no tape, glue, or staples. Simply fold along pre-scored lines and tuck the flaps closed. Assembly takes seconds per mailer once you get the rhythm down.
Will this mailer protect delicate documents and catalogs during shipping?
Yes. ECT-32-B corrugated kraft delivers crush resistance and puncture protection suitable for standard literature, brochures, and promotional materials. The rigid 3" depth provides excellent cushioning for flat contents.
Can I use this for items heavier than paper?
This mailer is engineered for literature, catalogs, and light documents. For heavier items, consult product specifications or our packaging specialists to ensure proper protection and cost efficiency.
What's the environmental impact of these kraft mailers?
These mailers are made from 100% recyclable corrugated kraft and align with sustainable packaging practices. They're an eco-friendly choice for brands prioritizing environmental responsibility in their shipping operations.

Order support

Questions on specs or freight?

Send the SKU, quantity, and delivery ZIP and we will confirm specs, availability, and freight before you order.

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