Cats Rule Andre's Bowl, Citrine It has a very hard, non-porous surface so it is difficult to scratch. It is comparable to ceramic, glass or steel in terms of food safety. Our material has been tested and approved for food safety contact for pets and humans. This bowl is not recommended for use in the dishwasher. Andre's Bowl measures 2 3/4-inch high, and is 6-inch in diameter. It weighs about .9-pound., so it is very sturdy and comfortably holds wet food from a large-size can or 2 cups of dry food or plenty of water. It is perfect for small to medium-size dogs.