OPEN END EXPANSION MAILERS, DUPONT TYVEK, #15 1/2, CHEESE BLADE FLAP, SELF-ADHESIVE CLOSURE, 12 X 16, 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.