No water waste: Unused water can easily be returned to the container by pressing the water key. https://www.amazon.frLeak-proof: The silicone sealing ring and the key lock design ensure that the pet water bottle will not leak at all. Never worry about getting wet or wasting water everywhere. https://www.amazon.frDURABLE AND SAFE: Portable dog water bottles are made of high quality food grade materials, ensuring your pets are completely safe while using our dog water dispenser bottles https://www.amazon.frPortable Puppy Water Bottle: Reasonable capacity enough for outdoor walks, hikes and trips. The small size ensures that you can easily slip it into your bag or carry it conveniently in your hand with the included shoulder strap. https://www.amazon.frEASY TO USE: One-handed operation, press the water key to add water, release to stop the water, very easy to feed your pet with a dog water bottle.