\nTough stainless steel construction, ideal for outdoor use. \nDouble wall insulation keeps drinks hot for 6 hours or cold for 12 hours. \nHolds 600ml / 20oz of your favorite beverage. \nEquipped with a plastic cover for splash-proof closure. \nEasy to clean and dishwasher-safe. \nFits all standard cup holders. \nNaturally BPA free.