HEAT INSULATION,ENERGY SAVING and BASIC PARAMETERS – One way window film blocks out 85% of infrared rays and 97% of UV rays reducing fading and aging of interior furnishings. STATIC CLING AND NON ADHESIVES – This self adhesive window privacy film is free of glue design, no chemical release, very easy to install, just make sure window surface is completely clean and absolutely free of any blemishes. THICKNESS AND HIGH QUALITY – Glass film the thickness of 6 mil window film has excellent thermal insulation effect, with anti-scratch layer on the surface, friction resisting, won’t fade nor blister, easy to remove, economical and practical. PRIVACY PROTECTION – Attention about window film privacy, there’s different privacy effect between daytime and night. The one-way window film provides great privacy during daytime only and outside glass shows mirror effect.