Foogo Vacuum Insulated Leak-Proof Straw Bottle Foogo Phases drinkware features interchangeable parts that fit all Phases cups Phase 3 for children ages 18m+ TherMax double wall vacuum insulation for maximum cold temperature retention Kid-proof design - unbreakable stainless steel interior and exterior Hygienic push button lid with pop-up silicone straw is easy to open Contoured body is easy to grip Dishwasher safe Capacity: 10 oz. Dimensions: 2.9 W x 5.3 D x 7.5 H Keeps Cold - 10 hours