This whiskey kuzie is ideal for keeping your liquor chilled whether on the rocks or neat. The slim, double wall, vacuum insulated sleeve fits over the included standard US made old fashion rocks glass. It will keep your drink chilled, and is ideal for serving scotch, bourbon, vodka, gin, rum, or other liquors straight up, with ice, or a mixer. Details: Black Double wall, vacuum insulated sleeve Includes standard US made old fashion rocks glass