This is a food or water bowl designed to minimize the storage space and weight, and maximize the safety by using a 100% non-toxic material that is flexible and thoroughly water resistant. Indeed, our travel bowl for cats and dogs is made of Eco TPU. Eco TPU is a rubber-like and Eco-friendly material made from renewable raw sources based on plants oil. Eco TPU is, therefore, biodegradable, but it is also stain-repellent, water-resistant, breathable, and light-weight. Most importantly, it is non-toxic, not to you, not to your dog, not to the environment. It is solvent free and it biodegrades in as little as four years. The Eco TPU bowl can be made flat for better storage, or can be rolled up around your leash when you walk your dog. The bowl is not made for daily use in your house, but for outdoor use, when going traveling or at the park. Due to its biodegradable nature, we suggest not to let water in it for more than 72 consecutive hours. It is available in 8 different colors. Two sizes available: Small - 6" x 6" x 2"; Large - 9.5" x 9.5" x 2.2" In sum: Made of Eco TPU: material made from plants oil, non-toxic and biodegradable. Can be rolled into a tube shape and be attached to a leash; or can be made flat for storage. 8 colors available. 2 sizes available: Small - 6" x 6" x 2" (16x16x4 cm); Large - 9.5" x 9.5" x 2.2" (24x24x5.5 cm).