Hammerstone's Whiskey Disks - Round Soapstone Stone Rock Beverage Chiller - Whiskey Chiller - Whisky Chiller Handcrafted in New Hampshire, USA from quality North American soapstone One Whiskey DisksTM has more thermal mass than three typical stone cubes / squares Unique shape - No clinking, no tumbling Each disks measure 1.75" wide X .75" high and weigh approximately 3 ounces Use just one Whiskey Disk vs. two or three stone cubes