In stock SKU MFL18123GTIN 841436018005

18x12x3 White Corrugated Literature Mailers 25/Bundle

Professional-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.
$58.87 / bundle of 25$2.35 per mailer
= 25 mailers · Item subtotal $58.87

Before shipping and tax. Final discounts and total are confirmed in the cart.

Request bulk pricing
Volume pricing — applied automatically in the cart
Quantity (bundle)Item-subtotal discount
1–2Base item price
3–53% off qualifying item subtotal
6+5% off qualifying item subtotal

In stock · ships within 1 business day from the nearest of 5 US warehouses (IL, PA, TX, GA, CA) · 1–5 business days in transit · freight calculated at checkout · free ground shipping on orders over $99 (parcel rates up to $29.95) and over $500 (up to $120)

30-day returns on stock items · Return policy

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

Specifications

Inside dimensions18" × 12" × 3" (L × W × H)
Board / materialECT-32-B Corrugated
ColorWhite
Sold asBundle of 25
Physical units per order increment25 (one bundle)
Bundle weight16.32 lb
Outer carton (shipping)33.75 × 32.25 × 3.0 in
LTL freight classClass 125
GTIN841436018005
SKUMFL18123
MFL18123 dimension diagram showing 18 x 12 x 3 inch mailers.
Inside dimensions shown

About this item

SKU MFL18123 — 18" × 12" × 3", ECT-32-B Corrugated, White. Sold as a bundle of 25, shipped from US warehouses.

The 18x12x3 White Corrugated Literature Mailers - Crush-Resistant is a corrugated literature mailer for catalogs, books, documents, photos, media, and flat e-commerce shipments. Listed specs include inside dimensions 18" x 12" x 3"; white material; bundle of 25. The mailer format works when the product needs a presentation-style carton or compact shipping box instead of a standard RSC case.

Nearby exact-spec options

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

Professional-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 Self-Seal Corrugated Literature Mailers 25/Bundle SKU ML18123 · BUNDLE $58.49Premium 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 Mailers 25-Pack SKU MFL18123K · BUNDLE $80.48Move bulky, lightweight items efficiently with these 12x3x18" kraft gusseted merchandise bags. Made from 30 lb. basis weight recycled paper with serrated ends for quick opening, sold in cases of 500. Cost-effective, eco-friendly, and ready for retail or shipping.same size option 12x3x18 Kraft Gusseted Paper Merchandise Bags 500/Case SKU BGM107K · CASE $71.17Ship 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.same size option 18x12x3 Kraft Self-Seal Literature Mailers 25-Pack SKU ML18123K · BUNDLE $63.23

Frequently bought with

Light add-ons for this order: tape, labels, dispensers and packing-list envelopes.

Common questions

Is this the right mailer box for my order?
Use 18x12x3 White Corrugated Literature Mailers, 25 Bundle when your item or workflow matches shipments, kits, or presentation packs where the item fits the listed inside dimensions and closure style. Check the live product page against your needs before ordering.
What specs should I confirm before checkout?
Confirm inside dimensions, board type, color, closure, case quantity, and whether the item needs extra cushioning. This listing is summarized by size: 18 x 12 x 3 in; material: corrugated; quantity: Bundle of 25. Use the current SKU, variant, price, availability, and delivery options shown on the product page.
Can I request this for a larger or repeat order?
Yes. For larger quantities, mixed-SKU orders, or recurring supply, send Packrift the product link or SKU, quantity, delivery ZIP code, receiving notes, and timing.
How should I plan delivery for this item?
Delivery options and timing are shown at checkout based on the item, quantity, and destination. For larger, freight-sensitive, or mixed-SKU orders, request a quote before placing the order.

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.

+1 (302) 216-2975 support@packrift.com Mon–Fri, Eastern Corrugated buying guide →