The WOW CUP® for Kids is sure to become your child’s go-to everyday drinking cup providing your family with the highest quality cup and best overall 360 drinking experience available today. • 100% Interchangeable Parts: The Kids and Baby cups are 100% interchangeable • Dentist Recommended - Spoutless • No gaskets and hidden areas to get all grimy - dishwasher safe • Tritan™, Polypropylene and Silicone / BPA and Phthalate Free Product Dimensions: 3.2 W x 3.2 D x 5.5 H inches