Designed for everyday use, this Transit series thermos mug keeps 470ml of your favorite beverage warm for six hours, cold for eight hours, and with ice, fresh for up to 30 hours. Coffee, tea, sports drinks, etc., all easily carried under a leak-proof lid. True to the Transit series, the mug is also 33% lighter than the basic stainless steel products. The model fits most cup holders. - Made of 18/8 series stainless steel - Double-wall vacuum insulation provides good insulation - The drinking lid is leak-proof when closed - Dishwasher safe - Does not contain BPA