Daytime privacy protection: This one-way window film only provides * privacy in the daytime. The mirror reflection design of the privacy control window film allows others to not see any of your interior from the outside, effectively protecting your private space. But when the internal light is stronger than the external light, such as turning on the light, the mirror effect disappears and you can see from the outside inside. Therefore, it is necessary to draw the curtains in this mirror color night. 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 reduce glare, but also to maintain your good view. HEAT CONTROL & ENERGY SAVING: The window tinting film for home is designed to reflect 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 design with non glue and static cling, this static cling window film avoids the release of chemical substances, very easy to install just spray A LOT of soap water to both the adhesive side and window. It can also be removed easily without any traces left on a glass. WIDELY APPLICATION OCCASIONS: Our house window tint film suitable for the smooth and clean glass surface of your kitchen, sliding door, bedroom, balcony, rest room, office doors and windows. Not applicable to double-paned glass, frosted glass, cut glass and all of 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 paste it onto the glass.