Thermocafe by Thermos Stainless Steel Travel Mug Set 16 OZ Thermos double-wall vacuum insulation locks in temperature to preserve flavor and freshness Unbreakable stainless-steel interior and exterior withstand the demands of everyday use Leak-proof top seals completely for carefree travel and easy enjoyment of your beverage anywhere Light and compact design Mug stays cool to the touch with hot liquids and is condensation free with cold