PRIVACY PROTECTION: This blackout window film blocks UV rays and provides two-way privacy. The film can darken the room instantly, making it ideal for people who sleep during the day or sleep lightly at night. PRIVACY PROTECTION: This 3D sticker provides a high level of privacy. It can blur unwanted views and provides a certain degree of privacy protection for your home and office. In this way, your private space remains well protected and the soft natural light stays in. GLUE-FREE STICKER: Using static electricity, the window film adheres to the glass without glue, making it easy to install and reusable (Note: It sticks more easily after adding water). EASY TO REMOVE: The window film is very easy to remove without damaging the film itself or leaving any marks on the glass. The film is easy to apply to many types of windows and doors in bedrooms, bathrooms, living rooms, kitchens, offices, and stores. Protects your skin and eyes from harmful radiation and reduces the fading and aging of furniture. A high-quality window film can replace bulky blinds or curtains. INSTALLATION TIPS: Make sure the window surface and corners are clean and dust-free. When installing, remember to tear off the transparent film and wet the backing thoroughly (the more the better, soapy water is best) for effective adhesion. If the edges curl, you can soften the window film with hot air from a hair dryer or soak it in warm water.