Smooth, stainless steel roller ball releases water for your pet! Invert bottle and water will release when your pet licks bottle. 2 dual leak resistant caps 1 small mouth for drinking 1 wide mouth for easy clean and fill. Stainless Steel - BPA free.Wide mouth allows for easy cleaning & filling.Roller Ball is perfect for pets - lick the lid and receive fresh water.Slight dripping is normal due to invertion of bottle.16 ounces - Go GREEN - reduce, reuse and REFILL! Finish: Pink.Material: Stainless Steel.