High Quality Material: Made of FDA approved food grade PC and ABS material. 100% safe for dogs. cats and other pets. BPA free. safe and durable. easy disassembly and cleaning. One-touch lock water & Anti-leakage: Simply press the button to release the water. If your dog does not drink it. just press the button to let the water back into the bottle. The lock switch and the silicone seal ensure that water does not leak. great for outdoor use. Easy to use: One hand operation. A key to open and close. convenient for dogs to drink. The practical bottle design can bring your dog a pleasant drinking experience. Ideal for any type of walk. travel by car. excursion or vacation. Easy to carry: The 550ml dog water bottle can provide your thirsty dog with enough water outside. The rope design makes it easier to carry. The water cup sink is very large and it is convenient for dogs to drink water. Don't worry about the dog drinking unsanitary water during the game. No Risk Purchase: We provide 6-month replacement and refund service to ensure customers have 0 risk purchase. If you are not satisfied with our products. do not hesitate to contact us.