Provide your kitty a comfortable lounging spot where he can enjoy the beautiful outdoors. Our Small Padded Cat Window Perch Features 1-inch thick foam for extra comfort. Attractive carpeted supports adjust to fit snuggly to most windows without tools. Size: Two supports, measures 36″ x 12.5″. Works on most windows — This window perches does attach to the wall. There are 2 clips at the back of the perch that go into the track of the window, and a sliding wood/carpeted support underneath the moves toward the wall to lock the perch in place thru opposing pressure.