1Adequate Rest Time: Black window film can block strong light and protect your room from bright light, so that you have enough rest time and others do not disturb your life through the window. 2Not Easy to Burst: Electrostatic window film can effectively reduce the probability of glass bursting and protect the safety of people around you. Also has a matte texture that effectively blocks moisture. 3Heat Resistant: The sunshade film can effectively insulate and resist ultraviolet rays, keep warm and comfortable in winter, and insulate in summer, reduce expenses, save energy and protect the environment. 4PET Material: Shading film made of PET material, electrostatic adsorption is not easy to retain glue. Easy to use, when not in use can be directly removed without residue. 5Multi Scenario: Provides you with sleeping. Suitable for bathroom, kitchen, office, living room, nursery, game room, dormitory, hotel and other places.1 x Roll of Window Film