The 20 ounce Mom & Child Monster tumbler set is perfect for moms and their children. This set includes a duo cup for mom that comes with two lids, so she can switch between a straw lid and a slide lid. The child's cup is a transitional sippy cup that can be used as they grow. With a fun monster design on both cups, this set is perfect for on-the-go trips or a day at home. Stay hydrated and stylish with the Mom & Child Monster tumbler set!