3M Indoor Patio Door Window Insulator Kit, Fits One 6'8" x 9' Door - Walmart.com
3M Outdoor Window Film Mounting Tape, Clear, 1/2" x 13.8 yard, 1 Roll, use with window insulator kit - Walmart.com
Window Insulation Kit Covers 5 3' X 5' Windows 3m Basic
3M Indoor Window Insulation Kit, Insulator Kit for 5 - 3'x5' Windows - Weatherproofing Window Insulation Kits - Amazon.com
3M Indoor Window Insulation Kit, Clear Window Film for Heat and Cold, 7 ft. x 19.7 ft, Covers 1 XL 6 ft 8 in x19.5 ft Window: Window Latches: Amazon.com: Tools & Home Improvement