Battery included: Do not microwave, put in dishwasher, or boil The fun Rainbow Light up cup illuminates when you tap the pressure sensitive cup on a flat surface. Your little one will love the fun prints and vibrant colors The Trainer Cup features a durable and bite resistant no Spill spout - uniquely designed to prevent spills. The Double wall insulated base keeps drinks cooler for longer. The cup is shaped for little hands to easily grip & hold, making it easier for them to practice drinking independently. , 6 plus months, pink rainbows, 10 oz./ 300 ml.