Nuk - Nuk Sip & Smile Insulated Cup 2 Pk - 9 oz Animal Designs Girl Help your child transition from bottle to cup with the GRADUATES@ line of sippy cups. They are spill proof and interchangeable. Features and Benefits:Designed with the help of child development experts to be easy for small hands to hold Insulated design keeps drinks cool and fresh longer Lock-in valve ensures that once the valve is in it won't fall out Interchangeable lid and patented valve fit other GRADUATES@ Spill Proof Cups Top rack dishwasher safe Specifications:2 pack 9 oz