SLWYA Home Colored Heavy Duty Stainless Steel Door Stopper with Silica Gel Rubber Ring (Gray) NO TOOL, NO DRILL --- Modern style designed to hold doors open or prevent damage by doors, floors or walls. No need to drill a hole in wall or floor. It can be moved freely from kitchen, bedroom to front doors etc. It can fit all door types, including glass, metal, wood and more. The net weight is up to 2.93 lb so that a dog or cat won't feel inclined to pick it up and run away with it or play with it. HIGH QUALITY --- The cover is made by brushed stainless steel. The ring is made by silica gel instead of common TPR or common rubber. As we all know that silica gel has much better performance on elasticity so that you don't need to worry about ring breaking. The baseplate is made by skidproof TPR. And the most important is that it's filled with casting iron instead of cement so that much more weight can be obtained. As a result, it can bring much better friction. SLWYA(Share Love With You All) makes much improvement on the heavy duty door stoppers with much better quality and function. NO TOOL, NO DRILL --- Modern style designed to hold doors open or prevent damage by doors, floors or walls. No need to drill a hole in wall or floor. It can be moved freely from kitchen, bedroom to front doors etc. It can fit all door types, including glass, metal, wood and more. The net weight is up to 2.65 lb so that a dog or cat won't feel inclined to pick it up and run away with it or play with it. HIGH QUALITY --- The cover is made by brushed stainless steel. The ring is made by silica gel instead of common TPR or common rubber. As we all know that silica gel has much better performance on elasticity so that you don't need to worry about ring breaking. The baseplate is made by skidproof TPR. And the most important is that it's filled with casting iron instead of cement so that much more weight can be obtained. As a result, it can bring much better friction. EXTENSION USAGE: Some customers find it's interested to hold a cat or dog. Would you also like to have a try? Package Door stopper (1pcs) Backup ring (1pcs) Note 1. If the size of this type is not what you want, please check the other one (search ASIN: B07JY5QPP3, LxWxH:4.1 x 4.1 x 1.9 in) for reference. 2. If you intend to buy one door stopper used for automatic fire doors especially with gas spring, it might make you disappointed.