About this item 【Heat Control and Energy Saving】Our one way privacy window film blocks 85% of infrared rays and 97% of UV rays, protects your skin and furniture from getting directly exposed to sunlight. 10% of VLT helps effectively reduce glare. allows cool in summer and retain warm in winter, which can saving expensive energy cost for intense summers and year-round coverage. 【Static Cling & NON ADHESIVES】 Self adhesive window tinting film is free of glue design, no chemical release, very easy to install, just make sure window surface is completely clean and use a lot of soap/water mixture to soak both the adhesive side and window. Squeeze out excess water and bubbles with scraper or hard card and dry off window. You can try to tape the two sides with tape and then peel off when it is difficult to tear off the protective film. 【Daytime Privacy Protection 】One way window privacy film protects great privacy during daytime. The mirror-effect is reversed at night when the inside light is stronger than outside, such as the lights in the room are on, since the interior will be exposed to more light than the exterior, so the inside could be see through outside. 【WIDELY APPLICATION 】 Reflective window film Sutiable for smooth and clean glass surfaces in the bathroom, balcony, living room, bedroom, bathroom, office, hotel, etc. Not recommended for dual pane windows, frosted glass and cut glass. 【EXCELLENT AFTER-SALES SERVICE】30 days return policy guarantee against any product defects guarantee. Any questions, please do not hesitate to contact us, we will help you solve immediately, you will have a perfect shopping experience.