No Need For a Wingardium Warm Up In Your Coffee Tall tumblers of iced coffee are the perfect way to caffeinate your day, but even Albus Dumbledore can’t charm away those drips of condensation that run down the glass from iced lattes or keep his hot coffee warm all day long. Well, luckily Tervis is here to help keep your hands dry and your drinks hot no matter what your beverage of choice is. The 24-ounce tumbler features Harry Potter’s iconic glasses and scar with words from the Wizarding World all over the glass. It’s insulated to both keep your drinks hot or cold for longer and prevent condensation. Say goodbye to cup cozies once and for all.