This travel tumbler can stand the heat! Our Micro Tumbler is made of microwave-safe, BPA-free materials that can be safely reheated in the microwave as often as needed. This eco-friendly option is the ideal way to keep your beverage warm for up to 2 hours. Keep your hands protected with the double wall construction that provides heat retention. Easily enjoy your drink with a leak-proof lid that opens with a simple flip. At the end of the day, simply pop the Micro Tumbler in the dishwasher!