Attaches easily to any metal surface. Unique design will not scratch or mar floors walls or doors. Designed for extra-large heavy doors and doors with high clearances or spring closures. Impact resistant Sanoprene TPR will not crush. A GIANT Size: 6-3/4 l x 3-1/2 w x 2 h. Highly visible fluorescent color prevents tripping in small spaces and doorways. Yellow. 1/pack. Giant Foot Doorstop Magnetic Yellow