DARKEN WINDOWS & BLOCK HEAT: Upgrade your style and keep your drive cool with 80% light blockedINCREASED VISIBILITY: Reduces glare, helping you see better and drive safer GlareSCRATCH-RESISTANT: Durable material uses deep-dye technology that lastsEASY DIY INSTALLATION: Adhesive film is easy to install with Gila Complete Application Kit, no professional installation requiredValues were calculated in accordance with methods given by ASHRAE on 1/8 clear glass and are subject to normal manufacturing variations. Data values are typical and provided for comparison purposes only. Product appearance on glass may vary from photograph based on lighting conditions. Tint laws vary from state to state. Dark tinting may reduce visibility outside during poor lighting conditions. Check with your state police and comply with appropriate tint laws.