Easy Lift Select Trim-at-Home Cordless Cellular Light Filtering Fabric Shade, 36 in x 64 in, (Fits Windows 19"-36"), White Redi Shades Simple Stick installation method gets your shade up in seconds  Trim, Peel, Stick for a finished look without the work; inside mount requires 1-1/4-inch minimum window depth Find the right fit with the patented trimming guide; use a straight-edged kitchen knife to trim; peel the liner; then stick in place for permanent installation  with No Tools needed  no drill, screws, or brackets Clean look with easy raise and lower Cordless lift; Best for Kids certified  safe for children and pets The energy efficient cellular fabric helps reduce heat gain and loss depending on the season while protecting the room from damaging UV rays and providing a warm glow from filtered light 100% Satisfaction Guarantee - we stand behind our products, if you arent happy with your shades let us know so we can make things right