1.[No water waste] - Dog water bottles have a switch that controls the flow of water. When you feed your pet water, turn on the knob and tilt back, unused water can be easily returned to the container, not wasting a drop of water and protecting the water resource. 2. [Easy operation] -- you only need to operate the pet water bottle with one hand, open the lock button, press the water button to fill the water, release the stop water, very easy to feed your pet dog water bottle 3.[leakproof design] -- silicone seal ring and lock key design, to ensure that the portable water bottle for dogs is completely watertight. No more worrying about getting wet or wasting water. 4.[Dog water Bottle with filter] - This travel dog water bottle has a built-in filter to give your dog cleaner water. 5.[Portable and convenient] -- This dog Water Bottle walking dispenser is perfect for walking and traveling with your dog, and a detachable cord can be attached to your backpack or hand for easy access.