ONLY DAYTIME PRIVACY PROTECTION: This one way window film provides superb privacy during daytime, the mirror reflection of privacy control window film allows others to not see any interiors from the outside, effectively protecting your private space. But when inside light is stronger than outside, loss of light difference, such as the lights turning on, the mirror effect will disappear and will be seen from the outside. So at night with this mirror tint, it is necessary to draw the curtains..UV BLOCKING & GLARE CONTROL: KESPEN sun blocking window film can effectively block 82% of infrared rays and 90% of UV rays which may hurt your skin, prevent your precious furniture and interior decorations from fading. 12% VLT means that some visible light can enter the room, not only to block the harsh light and reduce glare, but also to maintain your good view..HEAT CONTROL & ENERGY SAVING: The window tinting film for home reflects some of the heat back outside, thus reducing the amount of heat transmitted through window glass, which can keep cool in summer and retain heat in winter, helping you save money by cutting the high energy bills..STATIC CLING & EASY TO INSTALL: The reflective window film is designed with non glue, this static cling window film avoids the release of chemical substances, very easy to use just spray A LOT of water on both the adhesive side and the window. It can also be removed easily without any traces left on the glass..WIDELY APPLICATION OCCASIONS: Our house window tint film is suitable for the smooth and clean glass surface of your kitchen, sliding door, bedroom, balcony, restroom, office doors, and windows. Not applicable to double-paned glass, frosted glass, cut glass, and all processed glass. Useful Tips: Please make sure the glass, edges, and corners are totally cleaned without any dust and tear off the protective film before pasting it onto the glass.