Made to Width custom cellular shades. Width sizes from 19 to 64-inches in 1/8-inch increments, fits windows up to 72-inch long. Inside Mount only * To install push a button to lock your shade in place ?no drill, screws or brackets. Patented compression mount provides safe, secure installation * Cordless control is standard ? safe for children and pets; adjusts effortlessly up or down with a light touch * 9/16-inch single cell non-woven fabric with stylish aluminum head and bottom rail provides an elegant look in any room. Limited lifetime warranty * Black out fabric offers maximum privacy, room darkening and reduced sun exposure. Energy efficient fabric blocks heat from sun keeping rooms cooler