This Sippy cup is different from most of the learning cups,invented with both parents and kids in mind, the miracle 360˚ spill proof trainer cup eliminates messes and supports kids' dental health all at once. Drinking from anywhere around the rim, like a regular cup, helps support normal muscle development in a child's mouth. And with no extra spouts, straws or pieces,will not cause tooth decay and malocclusion .. the miracle 360˚ cup is easy to use and even easier to clean. 6 plus months. Caution to prevent burns, do not microwave or use with hot liquids. Do not let child walk or run while carrying the cup. Do not allow child to play, bite or chew on valve. Do not use with carbonated beverages or pulpy juices.