Retractable Screen - Cassette End Cap Color:Brown 19" x 12" Backpack is

19" x 12" Backpack is made of polyester and features a large main compartment with heat-sealed PEVA lining that holds up to 12 cans

The Therma-Tru retractable screen door allows fresh air and natural light inside while keeping debris and insects out

and 12 oz bottle cooler

this part is only compatible with Therma-Tru Double Retractable Screens

Retractable Screen - Cassette End Cap Color:Brown 19" x 12" Backpack isThe cassette end cap keeps all the screen components inside the trim. Remove the cassette end cap for easy access to the retractable screen The cassette end cap protects all the inner components of the retractable screen. *Please note, this part is universal and will fit single, double, and slider units for short, standard and tall units.