Stone Cold Whiskey Stones - Set of 9 with Muslin Carrying Pouch Set includes 9 Whiskey Stones, each measuring 3/4" x 3/4" x 3/4" or 2 x 2 x 2 cm, and with a muslin storage pouch. Each is cut from recylced soap stone or granite and tumbled with recycled aggregate. These easy to use stones cool your favorite spirit without diluting the flavors. Just wash them and place them in the freezer for about 4 hours before they are set to be used. Uniquely shaped so they do not easily roll down your glass. Perfect as a house warming gift, wedding gift or a way of saying Thank You to the perfect host/hostess.