BSHAPPLUS window tint for home blocks out 86% of infrared rays,38% Transmittance,the heat control window film can keep heat out in summer and retain it in winter, meanwhile helping reduce heating and cooling costs. The one way window film provides great intended privacy during daytime only and outside glass shows mirror reflective effect. (Note: The mirror-effect is reversed at night since the interior) UV solvents added at the bottom, the window reflective film effectively blocks out 99% of harmful UV rays. The anti-uv film protects your skin from harm and reduces fading & aging of interior furnishings.Adhesive-free design makes the film easy to install,just make sure window surface is clean and free of any blemishes,please use a lot of soap/water mixture to soak both the adhesive side and window. Installation Instructions : 1. Keep Window or Glass clean. 2. Wet the Window or Glass with water (Soapy water will be better). 3. Remove the Static Film from backing protect sheet (Please make sure you have removed it before you apply the black matte window film to glass). 4. When you install it, apply to wet glass and smooth with hands. 5. Squeegee away air bubbles and redundant water. 6. If you want to remove it, simply peel the window film from any corner. It comes off cleanly leaving no residue.