Portable and Convenient: The dog water bottle can hold up to 500ml of water, which is enough for small dogs. It can be stored in the backpack or hung on a rope. Easy to use: One hand is enough to open/lock the bottle, to easily feed your pet. Button to supply the bowl with water, locking button to cut off the water supply. One-handed operation. Leak-proof design: This dog water dispenser is designed with a silica gel seal that effectively prevents water leakage. You can be sure that it won't get your bag wet if you want to store it in it. Improved design: The padlock design has been improved. You can unlock it with one hand, it's more convenient for pets. Portable bottle: This bottle is suitable for all kinds of outdoor activities, such as hiking, hiking, trip.