"Changshade Cordless Blackout Roller Shades with Valance, Room Darkening Roll-up Shade Easy Install, Fabric Windows Blinds for Home, Bedroom and Office, 36"" W x 72"" H, Black ROL36BK72D"

???True 100% Blackout ??? Better Sleep, Better Privacy???Upgrade your home comfort. Our premium blackout fabric blocks all sunlight and UV rays, creating a fully dark, private, and cozy space???ideal for bedrooms, nurseries, night-shift rooms, and home theaters. ???Cordless Free-Stop Design ??? Smooth, Safe, Effortless???No cords. No noise. No struggle. The advanced spring mechanism allows the shade to glide smoothly and stop precisely where you want it. Child-safe, pet-safe, and beautifully simple to use. ???Quick & Easy Installation ??? No Experience Needed???Designed with the homeowner in mind. Adjustable brackets, clear instructions, and all hardware included. Fits both inside and outside mount. Install in minutes and instantly upgrade your window. ???Premium Aluminum Cassette ??? Durable, Modern, High-End???Crafted with thick aluminum alloy and a high-temperature baked enamel finish. Scratch-resistant, fade-resistant, and built to last???giving your window a clean, sleek designer look. ???Size Selection???1. Internal Installation: For example, if your window frame's inner width is 35 inches, you need to buy curtains with a width of less than 34?? inches. 2. External Installation: For example, if your window frame's inner width is 35 inches, you need to buy curtains with a width of ???39 inches for better light blocking.