The Collapsible Portable Silicone Pet Bowls conveniently pops up and folds away, the expandable silicone bowl holds food and water. Max capacity 830ml per bowl. Made from food-grade and BPA free silicone. 100% ECO-Friendly and easy to clean. Built with a convenient hook for easy attachment to a backpack, leash or belt loop. The collapsible bowls with protective case is durable for any adventure. When opened, the case provides a stable base which prevents the feeding bowls from slipping.