【UV Protection】Continuous exposure to the sun will cause high room temperature, aging furniture, and sunburn on the skin. Heat insulation film that can block 90% of UV and 50% of heat.It can perfectly solve this problem. 【Privacy Protection】After sticking the window film, the outside looks like a mirror during the day, and I promise you can’t see inside even if you use a telescope. But the inside can still clearly see the outside. 【Safety Protection】When the window glass is hit by objects entrapped by a ball or typhoon, the splash of glass slag can cause serious injury to people. Only PET window film with glue can be explosion-proof. Only our videos dare to do real tests. 【High Quality】What an embarrassing thing if the window film blisters and fades after exposure to the sun. In summer, the glass temperature can reach 60℃, ordinary window film will definitely foam. 【Easy Installation Guide】★Before installation, please make sure the window surface, edges, and corners are clean enough without any dust; ★During installation, please spray a lot of water both on the window surface and window film back.