【Privacy Level】: Opaque window films protect your privacy by blocking other people's eyes. Provides 75% privacy. This window film lets in natural light. Keep your room in a private state with good light transmission. It is also a clean and modern alternative instead of curtains or blinds. (not recommended for use in the bathroom) 【Rainbow Under Light】: The window film itself has no color. But if light passes through it, it will reflect the rainbow effect. As the light changes, the color also changes. It can be applied to any smooth glass. 【No Glue】: It is easily removed without leaving any residue. You can apply and remove it again and again if it is not damaged or stained. 【UV Protection & Energy Saving】: Environmentally friendly window films keep your home cooler in summer and warmer in winter. Blocks 96% of UV rays, delaying the aging and fading of furniture. 【NOTE】: Apply only to smooth glass; peel off the protective film before installation and make your window and window film completely wet. (See instructions for use.)