Contigo autoseal Astor Stainless Steel Travel Mug with easy-clean lid, 16 ounces Biscay bay matte, limited edition AUTOSEAL lid automatically seals between sips to eliminate spills and leaks ThermalockTM double-wall vacuum-insulation keeps your drinks hot for up to 4 hours and cold for up to 18 hours Top-rack dishwasher safe lid, hand wash body, Not for use in Microwave or oven BPA-free , leak & Spill proof ; one handed drinking, Excelent for your moorning coffee Wide autoseal button easy to press and handle / Best practical Contigo design