You can hang the product by the animal's cage. It has pairs of steel ball water outlet, so not to afraid water overflow. The instinct of the animal will impel it to lick balls , so as to drink the water in the bottle. You can separate the product to wash it. Pleade change water often and keep the little animal healthy. Character: Living World Leakproof, Unpick and wash is easy , Favorable price, You can choice any specification of it.