Features & details * Dishwasher Safe TEMPERATURE CONTROL: Double-wall vacuum insulated design of good temperature control especially for hot coffee, ice water and beverage. Our bottle keeps water icy cold for 24 hours and coffee piping hot for 12 hours, which maintains good flavor for a long-lasting time. • 18/8 STAINLESS STEEL • SWEAT RESISTANT • LEAK-PROOF • NEUTRAL IN TASTE WARNING Do not fill with contents greater than 90°C(194°F). Extremely hot liquid can build up internal pressure resulting in ejection of liquid and scalding.