✅HEAT INSULATION & ENERGY SAVING -- The mirror window film blocks out 90% of infrared rays, the heat control window film can retain heat in winter and keep it out in summer, which helps to reduce expensive heating and cooling costs. 15% of VLT meaning effectively reduce glare light. ✅DAYTIME PRIVACY PROTECTION -- The one way window film provides great intended privacy ONLY during daytime. The side with brighter light would show a mirror-like appearance. So the mirror-effect would be reversed at night since the inside will be brighter than the outside, which means people would be able to SEE THROUGH the window. Remember to draw a curtain during night. ✅EFFECTIVE UV BLOCKING -- The window reflective film effectively blocks out 97% of UV rays by adding UV solvents to the bottom. Furthermore, the glass privacy film can protects skin from damage and reduce the fading & aging of interior furnishings. Perfectly provide you a comfortable environment. ✅NON ADHESIVE & STATIC CLING -- Static window film comes with glue free design, no chemical release, very easy to install. Just make sure window surface is completely clean and absolutely free of any blemishes. Please remember to use A LOT of soap water mixture to soak both the adhesive side and window. ✅HIGH QUALITY & SERVICE -- The home window tint is of 0.15mm thick, which has excellent thermal insulation effect. It is designed with anti-scratch layer on the surface, friction resistance, won’t fade nor blister, easy to remove, economical and practical.30 days return policy against any product defects. Be free to contact us if you encounter any problems.