In 2007, we re-engineered a centuries' old Scandinavian tradition of using cold stone to cool stove-hot liquids and created a new way to chill our favorite spirits without the diluting effects of ice. Size: 4”L x 4”W x 1”D (cubes are ???”). 10cm x 10cm x 2cm (cubes are 22mm). Designer: Andrew Hellman (USA). Material: Soapstone.