Thermos Stainless King 24-Ounce Food Jar (Midnight Blue, 2 PACK) Thermos vacuum insulation technology for maximum temperature retention, hot or cold, keeps liquids hot for 9 hours and cold for 12 hours Durable stainless steel interior and exterior 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