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 This purchase supports food education via W&P’s partnership with Edible Schoolyard NYC Reduce your eco-impact with Porter and say "peace" to single -use to -go cups once and for all Capacity: 20 oz Dishwasher Safe Microwave Safe BPA free Cal Prop 65 Compliant FDA Compliant Responsibly manufactured in China