See reviews @ http://www.amazon.com/gp/product/B0033PR7CI?&tag=mdaydaily-20 Indipets Heavy Stainless Steel Health Care Slow Eating Dish has a raised center circle that keep your dog from gulping the food. The raised center circle forces the dog to eat around the outside. Slower eating is better for digestion. The dish is made from the heaviest weight high quality stainless steel and also has the non tip design and no-skid rubber base to prevent tipping. The matt outside finish is scratch resistant and the high gloss inside finish is easy to clean. The back rim is raised for a unique stylish look.