Ello’s 16-ounce Miri vacuum insulated stainless steel travel mug is your stylish travel companion. Its leak-proof sealing slider lid is designed for easy open/close and on-the-go use. Vacuum insulation keeps beverages hot for 5 hours and cold for 10 hours. Miri is car cup friendly. Hand wash tumbler recommended, lid is dishwasher safe. Do not microwave or freeze. All parts are BPA free.