Columbian® Duralok® Expanding Security Mailers/Envelopes, 27 Lb., 12" x 16" x 2", White, Box Of 100

Excellent protection with an upscale interwoven textured appearance. This 16-lb expanding envelope is ideal for thick and bulky professional mailings. Envelopes feature an advanced multi-layer construction which provides excellent moisture, burst and tear resistance designed to endure shipping and mailing stresses. Security tinted for added privacy and confidentiality. Open end envelopes feature an easy-to-use, no-moisture-required Grip-Seal® flap — simply peel off release strip and press down for a quick, secure seal.