Five Star Privacy Protection: Matte design and high quality window film, while letting in light. Reusable without glue: non-toxic design, adapts to the surface of the glass through static electricity, adhesive-free, environmental protection. It is easy to remove from the window without any residue. Static window film can reduce heat loss in winter to keep the room warm, and in summer can also block heat and rays ultraviolet. Wide range of uses: the size is 30cm * 200cm, which is more suitable for your windows. Widely used in: kitchen, bedroom, bathroom, living room, dining room, office, hotel, classroom, hall. Easy to use: You only need clean water (preferably soapy water) to apply the opaque window film. Remember to remove the protective film before applying the glass. Installation Notes Step 1. Clean windows or glass Step 2. Wet the windows or glass with water (soapy water will be the best choice) Step 3. Remove the window film from the back cover panel (be sure to remove the film before attaching the film to the glass) Step 4. Stick the right side of the film to the window, and the smooth surface still stuck to the protective film is the right side. Step 5. Remove bubbles and excess water (using hard cards, etc.) 1. Window wind binding effect may not be good in winter. Solution: blow gently with a hair dryer before applying 2. Not suitable for exterior windows or cracked windows. Delivery quantity: 1 * window film