Made with Thermos patented vacuum insulation for maximum temperature retention, hot or coldThermos™ double wall vacuum insulation for maximum temperature retention, hot or coldDurable stainless-steel interior and exterior keep bottle cool to touch with hot liquids and sweat proof with cold liquidsLid doubles as insulated serving cup; twist and pour function allows you to pour without moving the stopper16-Ounce capacity Double wall vacuum insulation for maximum temperature retention, hot or coldDurable stainless-steel interior and exterior keep bottle cool to touch with hot liquids and sweat proof with cold liquidsLid doubles as insulated serving cup; twist and pour function allows you to pour without moving the stopper