Insulated ceramic for hot/cold drinks - vacuum-insulation ceramic coating keep flavors crisp and fresh. - Edge-to-edge ceramic coating ensures liquids never touch metal for a pure, clean sip with zero metallic aftertaste - Double-walled, vacuum-insulated stainless steel core keeps tea hot and refreshing water chilled for hours - Splash resistant sliding drink-through lid for easy sipping anywhere, anytime - Sleek non-slip silicone sleeve that’s easy to grip and soft on the hands - Fits into most standard car cup holders for an easy commute - Fill it up for all day hydration at your desk, a pool day, a picnic, or a road trip — with 20 oz, there's enough to go around! - Pro tip: If you like your drinks piping hot, heat your tumbler with hot water first Perfect for gifting alongside our straw attachment!