3M Indoor Patio Door Insulator Kit, Heat or Cold Insulation for Large Windows and Sliding Doors, 1-Door Kit, 7 ft. x 9.3 ft of film, Fits 6 ft 8 in x 9 ft Patio Door
Brand: 3M
Color: Clear


Scotch double sided tape holds firmly between films and surfaces
Saves energy and reduces heating costs
Reduces condensation and prevents frost buildup