- Unused water can easily return to the container by pressing the water key. 2. Silica gel sealing ring and lock key design, make sure the bottle of pet water does not leak at all. 3. The portable dog water bottle made of food grade material. 4. Reasonable capacity, enough for outdoor walking, hiking and traveling. The compact size allows you to easily put it in your bag or easily take it on your hand by the attached strap. 5. One-handed operation, press the water key to fill water, release to stop the water.