Thermo Mug with Stainless Steel Metal Exterior & Ceramic Pottery Interior. Keeps Drink Warm for 7 Hours & Cold for Up to 18 Hours. Equipped with Twistseal Technology with Leak-free Closure & Grip-resistant Body. Odourless & Bpa-free. Only Lid is Dishwasher Safe. Incl. Operating Instructions. Capacity 470 Ml. Contigo? Best in Quality, Design & Technology. Immediately Recognisable by Its Sleek & Stylish Design, Strong & Solid. Innovative Contigo Water Bottles & Thermo Cup Are Odourless, t’steless, Bpa-free & Based on Revolutionary Twistseal, Aut’seal or Aut’spout Technology 2 Year Warranty. Closed Spout is Protected From Dirt & Microbes. Drink Bottles Are Operated One-handed & Guaranteed to be 100% Leak-free. Minimum Quantity: 8.