18 x 12 x 3" Kraft Literature Mailer

The 18 x 12 x 3 inch Kraft Literature Mailer is built from ECT-32-B single wall kraft corrugated board and features a self-locking closure that requires no tape, glue, or staples. The interlocking flap design allows for fast, one-step assembly at the packing bench, reducing labor time during high-volume shipping runs.

The interior accommodates flat or low-profile items such as catalogs, brochures, folded apparel, art prints, and bound documents. It suits e-commerce fulfillment, print distribution, retail replenishment, and media shipping environments where consistent, damage-free presentation matters.

ECT-32-B construction delivers compression resistance that protects contents through multiple handling points in transit. Each mailer weighs approximately 0.57 lbs, keeping added weight per shipment minimal. Mailers are sold in bundles of 25 and ship via parcel carrier.