Product 3D Windows Movie is very easy to use. Beautiful privacy glass stickers are magic in your eyes. Because of their versatility, you can stick films on doors and windows to add a touch of brilliance to any of your rooms, offices or stores. You can also see the light while enjoying the privacy of these window films. In fact, when you are inside, you will be able to see someone knocking on the door. Thats why these matte opaque concealers are great for privacy and aesthetics. To apply the film to the window, you need to clean the glass first and then stick the smooth side of the film to the window. The easy-to-apply film can be applied, removed and reused at will without leaving any stains on the windows. Then, choose your favorite color of UV-blocking floral tulip window film, which blocks sunlight from damaging your furniture. Warm tips: 1. This product is only suitable for cleaning and smooth glass surface, please do not use it on rough, uneven, frosted glass or other materials 2. This product adopts electrostatic technology, no glue is required. Before application, just sprinkle enough water on the glass surface. If the paste is not firm, it may be the cause of insufficient moisture. After watering, you can tear it off and then paste it 3. Be sure to tear off the back film when using it, otherwise it will not stick well 4. Please pay attention to the difference between the front and the back, be sure to stick the back (smooth side) on the glass, otherwise it will not stick well or even fall off