Get ready to see your world in a whole new light - the Bunch Of Hocus Pocus 20oz UV Purple Skinny Tumbler changes color when it hits sunlight, making quite an entrance with its stylish design and long-lasting construction. And this isn't just any ordinary cup either - no flimsy stickers here! Enjoy it for years to come with hand washing that guarantees you'll get maximum mileage from every sip. Plus each tumbler comes complete with its own straw so you can stir up some trouble wherever drinks are poured!