Automatic Charger: Adopt natural gravity power system, no electricity required, environmentally friendly and can be used anywhere. High quality material: made of food grade plastic material, safe and environmentally friendly, non-toxic and strange smell. The bottom is covered with a non-slip base for stability and durability. Easy to clean: The barrel and the frame of the vending machine can be divided, you can rinse them directly with water, it is recommended to wash them once a week. The drinker can be removed directly from the non-slip base, filled with water, and then attached to the base. Color: Blue