Coffee, smoothies, cocktails. Whatever your drink of choice, amp it up a notch with Dragonfly Tumbler. Available in four dashingly cool, jewel-toned hues that shift color under different light. Plus, with a buttery smooth finish and signature flat sides, it's a true treat to hold. Keeps drinks cold for 9 hours or hot for 3.    Has the NASA 'WORM' Logo down the one side.