A sippy cup is a training cup with a lid and a spout that helps a child transition from using a bottle to drinking from an open cup. The Munchkin Miracle 360 Sippy Cup is a BPA-free, spill-proof sippy cup that is perfect for toddlers. This sippy cup features a unique 360 degree drinking edge that helps eliminate spills and is easy to clean. The cup also automatically seals when your child stops drinking, making it leak-proof. The Munchkin Miracle 360 Sippy Cup is a great training cup for toddlers. This cup features a unique 360 degree drinking edge that helps eliminate spills and is easy to clean. The cup also automatically seals when your child stops drinking, making it leak-proof. The Munchkin Miracle 360 Sippy Cup is a great choice for parents who are looking for a spill-proof, leak-proof sippy cup for their toddler.