Privacy Protection: The self-adhesive window film can provide excellent privacy protection. People outside cannot see anything through the windows, ensuring that your private space is well protected while allowing comfortable natural light to enter. Suitable for offices, bedrooms, and living rooms, etc. But also very suitable for bathrooms. Energy Saving and Sun Protection: This frosted window film can block 96% of harmful ultraviolet rays, allowing soft light to pass through the room. Prevent sunburn, protect eyes from direct sunlight, and prevent furniture from fading. In addition, the window film can keep the room warm in winter and cool in summer by reducing heat transfer. Repeated Use: Adhesive-free and environmentally friendly design to avoid the release of chemical substances; this blackout window film uses electrostatic glue, which can adhere to the glass surface in a few minutes. Easy to stick and remove, no residue, can be reused. Water is the only tool needed (a little more