Tyvek Expansion Mailer, 12 x 16 x 2, White, 25/Box

Moisture- and rip-resistant mailer made of DuPont™ Tyvek® delivers heavyweight protection. Expandable design is ideal for shipping bulky contents like books, binders and reports. Flap-Stik® closure provides a secure, peel-and-press seal. Envelope Size: 12 x 16; Envelope/Mailer Type: Expansion Mailer; Closure: Self-Adhesive; Trade Size: #110.