The Asobu® Insulated "On the Rocks" Kuzie is ideal for keeping your liquor chilled whether on the rocks or "neat". The slim double wall vacuum Asobu® Insulated "On the Rocks" Cooler fits over the standard US made straight up Old Fashion rocks glass (1 included). 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. Chill out with a nice hard drink that will remain chilled. Whether indoors or outdoors, enjoy