Rum Rocks are a great alternative to ice. Drop them in your Rum or any tipple, to chill your drink without diluting. Made from 100% Soapstone, which harbors less bacteria and fewer impurities than ice. These rum rocks can be reused time and time again, just wash and freeze again in their bag. Suitable for: The sophisticated drinker. The spirit collector. The man of the world. 6 rum cooling rocks. Chiseled from volcanic rocks to keep their drink refreshingly cold without affecting the flavor. Cotton storage bag. To keep them all together in the fridge.