Plastic Slow Feeder Bowls Prevent dogs from gulping their food with these uniquely designed Plastic Slow Feeder Dog Bowls. Veterinarian tested and recommended design keeps pets from eating their food too quickly. These uniquely designed Plastic Slow Feeder Dog Bowls feature three center posts that dogs have to eat around, preventing them from gulping their food too quickly. The lightweight design encourages dogs to eat calmly and gently to prevent the dish from slipping and sliding. Veterinarian tested and recommended Helps to reduce the instances of Gastric Dilatation-Volvulus (GDV or "Bloat") Features an elegant, no-tip shape Dishwasher safe. Available in Small (Red), Medium (Blue), and Large (Black) Material: Plastic Size: Small red bowl measures 7.67"D x 2.5"H Medium blue bowl measures 10.5"D x 2.5"H Large black bowl measures 13.5"D x 3.25"H Capacity: Small 12oz/1 1/2 cups/354ml Medium 40oz/5 cups/1.2L Large 64oz/8 cups/1.9L