The Asobu Insulated On the Rocks 2 pk. Kuzie is ideal for keeping your liquor chilled, whether on the rocks or neat. The slim double-wall vacuum fits over the standard USA-made straight-up old fashion rocks glass (two 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 hard drink that will remain chilled. Whether indoors or outdoors, enjoy the great taste of your favorite on the rocks liquor served perfectly chilled with the Asobu Insulated On the Rocks Kuzie.