ROOM DARKENING BLACKOUT SHADES: Unique honeycomb design with built-in environmentally friendly aluminum foil coating inside the honeycombs. Changshade blackout cellular shades can achieve 100% shading effect and provide perfect privacy. Our blackout blinds block out harsh sunlight and reduce harmful effects of UV rays to protect indoor furniture and family members.CORDLESS DESIGN ENSURES SAFETY & STYLISH: Cordless mechanism is perfect for homes with children or pets, and has been certified "Best for Kids". Quality non-woven fabric with detailed workmanship ensures a clean and neat appearance. This crisp cordless honeycomb blind goes well with any room decor and adds a touch of dimension to your space.ENERGY EFFICIENT AND SOUND INSULATED: This cellular blackout window shade with the diameter of 1.5'' honeycombs blocks out the glare as well as keeps out extra air or noise that comes in through the window or door. It insulates your room, providing an effective barrier from heat and cold air. Unique honeycomb structure helps absorb a mount of sound and “quiet” noisy neighbors.EASY TO INSTALL & OPERATE: Changshade robust constant force spring-loaded mechanism has passed 5,000 times usual lifting or pulling down tests for each blind and makes it easy to raise and lower the blind evenly every time and stay balanced automatically. Easy installation with universal brackets that allow inside and outside mounting without additional parts.WHAT YOU GET: Cordless blackout cellular shade, mounting brackets, directions and a one-year warranty by Changshade. We provide professional customer service before and after purchase. Any questions, feel free to contact us and we always respond within 12 hours. Your satisfaction is our top priority.