【Daytime Privacy Protection】The silver black window privacy film has better privacy effect, through the special light reflection coating, so you can see outside during the day, but people outside the window can't clearly see the inside. of the outside world, to protect your privacy and security. The stronger the outdoor light, the better the privacy, as the sun sets, the reflective effect will gradually decrease, remember to close the curtains at night. 【Anti-UV & Anti-Glare】The blackout window film blocks 99% of UV rays and glare, creating a comfortable and healthy home and office environment while allowing natural light in, protect your skin and slow down the aging process while preventing your furniture from fading and aging. Privacy film is the most cost-effective way to block harmful light! 【Warm in winter and cool in summer】The special heat control layer of this privacy window film transparently insulates some of the heat in the summer and prevents heat loss from the room in winter, effectively reducing expensive heating and cooling costs, allowing you to live comfortably and comfortably all year round! 【Non-adhesive, easy to install】This window The self-adhesive privacy film has a non-adhesive design, it is easy to peel off without leaving marks and can be reused many times. Installation is very simple: spray a large amount of soapy water on a smooth, clean glass and gently scrape off the foam after installation. It comes with a test film and a foam scraper, so you can test it many times before applying the full product. 【Wide Application】The one-way privacy day and night window film can be applied to any smooth, clean glass. Bedrooms, living rooms, kitchens, offices, and anywhere you want privacy!