6″ x 9″ Poly Mailers #12.5 Mil Choose your quantity from the options aboveHighlights6″ x 9″ – Inside dimensions (usable space)2.5 milWater and Dirt Resistant – Product remains untarnished during shipmentSelf Sealing Flap – Strong adhesive provides a permanent seal for added securityHigh Slip Lining – Easier product insertion and extraction means more efficient packingEasy Opening – Reduces labor cost and increases productivityOur high quality lightweight poly mailers are made with a polyethylene outer layer to provide superior tear and puncture protection. Great for mailing a wide variety of items such as apparel, gifts, electronics or documents.