【Privacy Level】: Opaque window films protect your privacy by blocking the view of others. Offers 90% privacy. This window film lets in natural light. Provides privacy in your room and good light transmission. It is also a clean and modern alternative to curtains or blinds. (Not recommended for use in the bathroom) 【Rainbow Under Light】: The window film itself has no color. However, when light passes through it, the rainbow effect is reflected. When the light changes, the color also changes. It can be applied to any smooth glass. 【No Adhesive】: It can be easily removed without leaving any marks. You can reapply and remove it repeatedly, provided it is not damaged or stained. 【UV Protection and Energy Saving】: Environmentally friendly window stickers keep your home cooler in the summer and warmer in the winter. Blocks 96% of UV rays, delaying aging and fading of furniture. 【NOTE】: Apply only to smooth glass; before installation, peel off the backing film and thoroughly wet your window