Thermos Stainless Steel King 16 Ounce Travel Mug with Handle, Matte Black IMPERFECT This cup has a company logo on it in addition to Thermos logo Thermos vacuum insulation technology for maximum temperature retention, hot or cold; keeps liquids hot for 5 hours and cold for 9 hours Durable stainless steel interior and exterior; Hand wash recommended. Cool to the touch with hot liquids, sweat proof with cold Built in tea hook, easily holds tea bags or most loose leaf infusers Fits most automobile cup holders; Capacity 16 Ounce