Transitioning to a cup has never been easier than with the Miracle 360º Color Changing Cup by Munchkin. The spill-free, spoutless design enables your child to drink from anywhere along the rim, and seals instantly when your child stops sipping.Changes color with the addition of any cool beverage (under 57 degrees F). Spill-proof, spoutless design to make it easier for your little one to transition to a big-kid cup. 360-degree drinking edge allows for drinking from anywhere on the rim. Seals instantly when your child stops sipping. Dentist recommended, this spout-free cup supports healthy oral development. Suitable for ages 12 months and up. BPA-free. Polypropylene/silicone. Dishwasher safe (top rack only). Each cup measures 3" diameter x 5" H. 9 fl. oz. capacity. Weighs 0.38 lb. Imported.