If shaken, drips or leakage may occur. After multiple dishwashings, spill-proof performance may deteriorate. If child holds cup upside down, a few drops may come from the spout. Do not use with carbonated beverages or juices that contain pulp. Do not use in microwave oven. Do not boil or sterilize. Do not allow to become frozen. Do not use with hot liquids that may result in burning. To prevent injury, do not allow child to walk or run while using cup.