Our Chill 11 oz. 2-in-1 tumbler offers two great functions in one product. It's a vacuum insulated tumbler, with double wall stainless steel construction that helps keep beverages warm for up to 5 hours or cold up to 15 hours when used as a tumbler. There's a convenient clear lid with slide closure. Then when you're ready for a cold one, just remove the lid and insert your favorite 12 oz. beverage can. It keeps your drink cool, so you can chill!