Ship Lite Redi Flap Mailer, 1st Class, 9 x 12, White, 100/Box

Reinforced multi-layered design is stronger and lighter than traditional paper mailers. Water resistant finish protects contents from moisture. Convenient Flap-Stik® closure makes it easy to seal. Envelope Size: 9 x 12; Envelope/Mailer Type: Mailer; Closure: Self-Adhesive; Trade Size: #90.