Large Capacity and Portable: The dog water bottle can hold 300ml of water and 130ml of food (height: 23.4 cm, diameter: 6.3cm). It can easily be put in your backpack or hung on your hand with its rope, ideal for walking and traveling with your dog or cat Leak-proof design: silica gel sealing ring + lock key inside the bottle design which ensures the pet water bottle does not leak. Never worry about getting your bag or water waste wet again Keeps the water fresh: the integrated removable activated carbon filter effectively removes impurities and residual chlorine in the water Safe and Durable: The dog water bottle is made of food grade ABS material, which ensures your pet’s safety when using our dog water dispenser Easy to use: Operates with one hand, it can be opened and locked with just one touch. The wide sink makes it easier for your dog to drink water from the water bottle. Each piece can also be easy to clean