Comolife Made in Japan , Lovely White Cat Magnetic Door Stops EASY TO INSTALL : All you have to do is installing it on the door. It has a magnet and an adhesive tape in the backside, so you can use it for many kinds of doors :stainless-steel, wood, or aluminium. HANDS-FREE : If your hands are full with baggage, no need to bend down to stop door. You can lift / put it down the stopper by your foot easily. Weight : 0.71 (lb) including auxiliary plate Size : 9.04 x 3.97 x 2.45 Inch Material : PC resins , ferrite , EPDM , iron Specifications : Floor and the 5.57 inches please attach it space.