Poly MailersPoly Mailers are polyethylene shipping bags that are waterproof, tear proof, self-sealing, and tamper resistant and also very affordable. Poly Mailers are easy to handle and lightweight compared to corrugated boxes. DescriptionQty / CaseCase Weight / LBS6″ x 9″1000137 1/2″ x 10 1/2″1000179″ x 12″10002110″ x 13″10002612″ x 15 1/2″5001814″ x 19″2501319″ x 24″1251124″ x 24″12514