100 Camo 9×12 Poly Mailer Plastic Shipping Mailing Bag Envelopes Polybags Polymailer Line 9×12 Poly Mailer Envelope for Shipping Brand: Uneekmailers Self Sealing and Approved for UPS, USPS, Fed Ex, and other carriers Flat Envelope – No Bubbles Usable Space: 9″x12″