Product size: 60*2m/90*2m Infrared rays can be blocked, ultraviolet solvent is added at the bottom, and the one-way window film blocks 85% of infrared rays and 99% of ultraviolet rays. And to reduce the fading and aging of indoor furniture, the surface has scratch-proof coating, Anti-friction, no fading, no blistering, easy removal, inexpensive and practical. Have daytime privacy without blocking views; window privacy guard provides excellent daytime privacy protection only; privacy effects are reversed at night due to indoor exposure to more light than outside. Suitable for household window curtains, used as daytime privacy curtains and effectively reduce glare, widely used in restaurants, houses, kitchens, bedrooms, offices, etc. The glass film can help you reduce glass parts splinter, glue design and no chemical release. Installation is very Simple, just make sure the window surface is completely clean and completely free from defects. Remember to use a large amount of soap / water mixture to soak up the sticky side and window. Product characteristics: 1. It is suitable for the hue of household windows. It is used as privacy curtains during the day and can effectively reduce glare. It is widely used in restaurants, houses, kitchens, bedrooms, offices and so on. 2. Easy to use, the static film is suitable for any smooth or flat glass surface, such as windows, sliding doors, balconies, to protect the glass from damage. 3. Self-adhesive window privacy film can last for a long time and can be removed as needed. It falls off cleanly without leaving any residue. Note: One-sided perspective: One-way perspective refers to the fact that one side of the strong light cannot see the dark side, which means that when the light in the room Louder than outdoors, people outside can see people inside. In General, people outside do not see people inside during the day.