silicone; This innovative pet dish is designed with features both you and your furry friend will love; The open half holds water, while the patterned grooves in the food half promote slower eating and digestion; The suction cup base keeps the dish securely in place; the carabiner clip lets you easily attach it to your gear for on-the-go convenience; Made from food-grade, BPA & lead-free Silicone that?s easy to clean and safe for pets; Product Size: 5.9""w x 7.5""l x 0.87"" d