Soapstone in tube

PVC tube containing 10 Scandinavian whiskey stones, compliant with European legislation. The same tube that contains the stones can be stored in the freezer. Each stone has a strong cooling power and lowers the temperature of the whiskey by 2.5°C approximately, place 2 stones to reduce the temperature by 5°C and 3 for 7.5°. Before and after use, wash the stones with plenty of water then store them in your freezer. Display offered for 20 pieces