Thermos vacuum insulation technology for maximum temperature retention, hot or cold, keeps liquids hot for 14 hours and cold for 24 hours, package may vary. Durable stainless steel interior and exterior. Product Size (W x D x H): 3.7 x 3.7 x 7.2 inches Cool to the touch with hot liquids, sweat proof with cold Compact and insulated stainless steel serving bowl Wide mouth is easy to fill, eat from and clean