Ultraviolet Light Protection: UV Protection. squeeze out excess water and air bubbles with a squeegee or a credit card,then dry. ADVANCED UV BLOCKING PROTECTIONUV solvents added at the bottom, FILMGOO window reflective film effectively blocks out 97% of UV rays, and reduces fading and aging of interior furnishings,with anti-scratch layer on the surface, friction resisting, wont fade nor blister, easy to remove, economical and practical.For beauties, our blocking window film can prevent sunburn, sunburn, anti-aging and freckles.Ultraviolet rays are the biggest enemy to delay aging.