Easy Lift Trim-at-Home Cordless Cellular Blackout Fabric Shade White, 48 in x 64 in, (Fits windows 31"- 48") Trim at Home for a perfect fit, then install with No Tools  no drill, screws, or brackets needed for installation. Inside mount requires 1-1/4-inch minimum window depth Trim your shade with a straight-edged kitchen knife using included patented trimming scale and guide; then permanently install in seconds with Simple Stick No-Tools peel-and-place application Cordless lift mechanism for easy operation and clean appearance  safe for children and pets. Rounded bottom rail and finished end caps for a smart look Crisp honeycomb fabric darkens rooms. Energy efficient 9/16-inch blackout honeycomb fabric blocks harsh sunlight and UV to help keep rooms cooler in summer months and extreme temperatures 100% Satisfaction Guarantee - We stand behind our products. If you arent happy with your shades, let us know so we can make things right