Portable and Convenient: The dog water bottle can hold up to 550ml 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, easy to feed your pet. Button to supply the bowl with water, locking button to cut off the water supply. One-handed use. Leak-proof design: This dog water dispenser is designed with a silica gel seal, which 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. Scope of delivery:dog food bowl*1 Warm tip: Dear buyer, due to lighting effect, monitor’s brightness, manual measurement etc, there may be some slight differences in the color and size between the photo and the actual product. Sincerely hope you can understand! Thank you!