Best Plastic For Windows

Duck MAX Strength Window Insulation Kit, Winter Window Seal Kit Fits up to 10 Windows, Heavy Duty Shrink Film Cuts to Size for Easy Indoor Installation, Window Tape Included,62 in. x 420 in., Clear

Duck Brand Rolled Indoor Window Insulation Kit, 62 in. x 630 in, Clear, Covers Up to 15, 3' x 5' Windows, 15-Pack (288069)

Best 8ft X 4ft Large Clear Plastic Sheets - Bendable, Easy Cut - PETG (Polyethylene Terephthalate Glycol) Plastic Material (0.508 mm Thick))

3M Indoor Window Insulation, Insulator Kit for 5 Windows 3ft x 5ft, Keeps Cold Air Out and Warm Air In, Includes Heat Shrink Window Film and Scotch Window Film Mounting Tape (2141W-6)

Frost King P1025/6W Polyethylene Sheeting, Clear, 10' x 25' x 6 mil.

Frost King V76H Shrink Window Kit 84-Inch by 110-Inch, Clear

XFasten Transparent Door and Window Weather Stripping Tape, 2”x30yds Window Insulation for Winter, No Mess Winter Window Seal Kit, No Cold Drafts

Yotache Window Insulation Film for Winter, POF Shrink Film 62 Inches × 393 Inches Long, Insulates 10 Standard Indoor Windows Keep Warm In Winter, 1 Roll Clear

ATack Transparent Window Weather Sealing Tape, 2-Inch x 30 Yards, Clear Window Draft Isolation Sealing Film Tape- No Residue, Surface-Safe, Wood-Safe, Removes Cleanly

Duck MAX Strength Window Insulation Kit, Winter Window Seal Kit Fits up to 5 Windows, Heavy Duty Shrink Film Cuts to Size for Easy Indoor Installation, Window Tape Included,62 In. x 210 In., Clear