Wash and rinse or sterilize after each use

WARNING: TO PREVENT POTENTIAL CHOKING HAZARD, do not use nipple if it tears or shows signs of excessive wear such as cracking or change of shape. Inspect before each use and pull on the nipple to make sure it doesn't tear. Do not attempt to enlarge hole as this will cause tearing. Keep out of direct sunlight and heat. Never use feeding nipple as a pacifier. Keep out of reach of children when not being used for feeding purposes.