Whether you're on-the-go or staying put, the Summit has your hydration needs covered. With a slim shape and easy-to-carry handle on top, your favorite drink can go everywhere you go. Made from stainless steel with double walls and vacuum-sealed insulation, your beverage will stay at its optimum temperature for hours. With the 18oz Summit, cold drinks will stay cold for 18 hours, and hot drinks stay hot for 8