This Pink Hearts Chilly's Reusable Cup will warm your heart and your drink. Chilly's award winning cup design features double-walled insulation to keep drinks hot or cold, antimicrobial drinking surfaces, twist close mechanism, and a soft rubber base. Staying up all night to finish that essay that should have been in last week? Non-stop caffeine at the ready. •Double walled insulation to keep your drink hot for up to 4 hours (and not your hands) •Made from high grade stainless steel Emma Bridgewater Pink Hearts Chilly's Reusable Cup