Heavy Duty Stainless Steel: constructed from durable, rust and dent resistant stainless steel for long lasting use; heat resistant and perfect for serving both warm and cold foods; plus, the silicone on the bottom is naturally waterproof and stain resistant, so your bowls will stay looking great, use after use | Food Grade and BPA Free: constructed from rust resistant, food grade stainless steel, these bowls are perfect for your pet; stainless steel is nonporous and longer lasting than plastic; bowls are FDA compliant and tested to comply with US regulations; dishwasher safe | Silicone Bottom: the Gorilla Grip bowl is constructed from durable silicone that helps keep the bowl steady and won’t scratch your floors; while some over eager eaters may still be able to slide the bowls, the silicone will help prevent much movement; plus, it reduces the noise from clanking and sliding across wood, tile, and more | Set of Two for Food and Water: the bowls come in a set of two that are perfect for serving your pet both food and water; bowls accommodate all types of food including wet food, fresh food, dry food, and even the occasional bite of their human's dinner | For All Breeds: bowls come in 5 different sizes to suit all breeds; extra small 2 cup measures 2.2 inches by 4 inches; small 3 cup measures 2.2 inches by 5 inches; medium 4 cup measures 2.2 by 5.7 inches; large 6 cup measures 2.2 inches by 6.25 inches; extra large 8 cup measures 3.3 by 6.53 inches