Stayflat Mailers

Sturdy & Durable Flat Mailers

Strong Flat Envelopes Available In Multiple Sizes, Dimensions & Closure Types

All our StayFlat mailers are designed to do just that – stay flat during shipping to protect your contents from damage. These rigid mailers come in white and kraft (brown) color, made from strong fiberboard, perfect for products that can't be bent, such as important documents, posters, and photographs. Choose between 60 different self-sealing, or tab lock stay flat mailers and keep your items safe during transport.