The First Years Cars Insulated Sippy Cup The First Years Cars Insulated Sippy Cup is easy for children to hold and drink from. Its insulation keeps the drink cool for a longer period of time. It's spill-proof and can be easily carried during travel. It has a spill-proof valve that is permanently attached to the lid of the cup. The artwork on the outer and inner wall of the cup is sure to delight children. BPA-free and dishwasher-safe. Why You'll Love It: This sippy cup is easy to take along on errands and during travel.Features Easy clean valve system Spill-proof valve Insulated to keep drink cooler Dishwasher-safe BPA-free Easy to hold for children