Munchkin Cool Cat Stainless Steel Straw Cup – Green The Munchkin Cool Cat Stainless Steel Straw Cup – Green is the perfect cup for toddlers who like to keep their drinks cool . This cup is insulated with double walled stainless steel to keep your drink cool for up to 15 hours. Furthermore the Cool Cat Straw Cup has flip top lid , which is easy to open and close. To prevent any extra mess this scup also has a spill-proof straw and easy grip handles. This cup is also built to be BPA-free & top rack dishwasher safe.  Suitable for 18+ months.