No More Spills, A Lot of Giggles For 18 Months + Easy-to-Clean, One Piece Lid 1 Fun Disney Graphics 3 Easy to Hold, Sweat-Proof Surface 5 Spill Proof Leak Proof 4 Dishwasher-Safe, Top Rack Only, BPA Free The First Years Disney Insulated Straw Cup features double layer insulation to help keep liquids cold for longer, and an easy to clean One Piece Lid. Kids love the colorful and bright artwork of the cup, and parents love the innovative design. The double layer helps make the cup sweat-proof, so that kids can easily grip the cup. And to make life even easier, all of The First Years Insulated Cups have interchangeable lids! Questions?