Ships from Hong Kong.Fits most cages-easy to install.No-leak seal design which keeps water clean and cage dry.Non-Toxic,rubber stopper.Design is professional yet stylish.Please use warm water to washthe new bottle repeatedly before using it.(It can be use a little of tableware detergent).Fill in the water, put the bottomceiling mounting in the water bottle and fixing it.Turn the bottle on the normal position, the water will be automatically outflow until keeping balance.