【Privacy Level】: Opaque window films protect your privacy by blocking the view of others. Provides 90% privacy. This window film allows natural light to enter. Keep your room private with good light transmission. It's also a clean and modern alternative to curtains or blinds. (Not recommended for use in bathrooms) 【Rainbow Effect in Light】: The window film itself is colorless. But when light passes through it, it will reflect a rainbow effect. As the light changes, the color also changes. It can be applied to any smooth glass surface. 【No Adhesive】: It can be easily removed without leaving any residue. You can apply and remove it again and again if it is not damaged or stained. 【UV Prevention and Energy Saving】: Window stickers keep your home cool in summer and warm in winter. Blocks 96% of UV rays, delaying the aging and fading of furniture. 【NOTE】: Apply only to smooth glass; peel off the backing film before installation and thoroughly wet your window and the window film. (Please