CHILL YOUR FAVORITE WINE, WHISKEY OR OTHER BEVERAGE WITHOUT WATERING IT DOWN WITH THE HELP OF THESE WHISKEY STONES. THESE CUBES HAVE SUPERIOR THERMAL PROPERTIES AND ARE COMPOSED MOSTLY OF TALC, SO THEY WON'T SCRATCH YOUR GLASS. TO USE, SIMPLY PRE-WASH STONES AND STORE IN FREEZER FOR 2-3 HOURS BEFORE USE. WHEN NEEDED LET THE STONES STAND FOR FIVE MINUTES BEFORE DROPPING THEM INTO YOUR DRINK. AFTER USE, HAND WASH STONES IN WARM WATER AND PUT BACK IN FREEZER. SET INCLUDES 4 STONES. 2 1/4" W