Phifer 3021117 Super Solar Charcoal Screen 48 inches by 25 feet offers the ultimate in shading protection by blocking up to 90 percent of the sun’s heat. Super Solar Screening works whether windows are open or closed. It keeps carpets and draperies from fading, as well as helps save energy. There is environmental certifications which are certified to GREENGUARD and GREENGUARD Gold standards for low chemical emissions into indoor air during product usage. This screen is lead free which is compliant with RoHS/Directive 2002/95/EC, US Consumer Product Safety Commission Section 101, ANSI/WCMA A 100.1-2007 for lead content and REACH (EC 1907/2006) compliant.