Thermos 16 Ounce Stainless Steel Compact Bottle, Gray Plaid Thermos vacuum insulation technology for maximum temperature retention, hot or cold Durable stainless steel interior and exterior Cool to the touch with hot liquids, sweat proof with cold Lid doubles as insulated serving cup; twist and pour function allows you to pour without moving the stopper Designed to keep beverages hot for 12 hours and cold for 24 hours