Customized Barware, Whiskey Stone Set - Natural Basalt & Pine Box, Each set includes 6 natural basalt stones and a velvet drawstring pouch housed in a natural pine gift box• Whiskey stones chill your dram while maintaining both the purity and flavor profile of the liquor• To use, simply place 2 - 3 chilled stones in your favorite drink and enjoy• After use, rinse and air dry before placing back in the freezer• FDA approved and perfect for use in a variety of drinks. ... #893 $7.31/each.