MarlJohns Stainless King 40-ounce Thermos (Red) Made with austenitic material 06Cr19Ni10 double wall vacuum insulation for maximum temperature retention, hot or cold With an ample 40-ounce capacity, the bottle offers plenty of sustenance on the go. Lid doubles as insulated serving cup; twist and pour function allows you to pour without moving the stopper Durable stainless-steel interior and exterior keep bottle cool to touch with hot liquids and sweat proof with cold liquids Designed to keep liquids hot for 24 hours, and cold for 24 hours