Window Privacy: One way mirror film for windows provide superior light-blocking. Tint glass film for windows protect your room from Intense light. And the mirror tint will reflecting light during daytime to make mirror effect, which protect your privacy whilst offer a great one way view that see out not in. But at night, the light inside the house is brighter than that outside, so the mirror effect will disappear.Window Film Sun Blocker: This mirror privacy film for glass windows can block 90% of UV and 50% of heat. Continuous exposure to the sun rays will cause high room temperature, furniture aging and skin damage. Use window film heat reflective will perfectly solve those problems, an instant and economical way to reduce glare!Heat Blocking Ener.