Survivor - Open Side Expansion Self Seal #13 Catalog Envelope, 10" x 13" x 2", 25/Pack - White

Moisture and rip-resistant expansion 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.