The Duran Textured Thermal Blackout Curtains from Sun Zero provide the ultimate in light blocking technology while adding style to any room in your home. Sun Zero Total Blackout technology is laboratory tested to block out 100% of light, reduce outside noise by up to 35% and decrease energy lost through your windows by up to 35%. Hang in your entertainment room to eliminate screen glare and reduce distracting outside noise, or in your bedroom for enhanced privacy and uninterrupted sleep. Sold as a single panel.