LOUVEROLA 1Pc Universal Car Anti-scratch Stained Polarized Glass Film, Blocks UV Radiation, Privacy Protection, Significant Heat Reduction, 20 x 4 Inches

5 Shade options are available (3%, 5%, 15%, 20%, 25%) with 3% being the darkest shade and 25% being the lightest. Automotive window tint roll is made up of layers of polyester film to keep vehicles cool in hot weather and reduce air conditioning consumption by affecting light transmission.