Do not refresh as much as a real ice cube, it is for a drink strong, small volume is also well mentioned. In fact, a real ice cools larger amount because it dissolves these stone cubes rafraichissent what is close to them as they do not melt, but suddenly, as long as a real ice.
Small bag to store in the freezer :) much appreciated Once in the glass, the cold will stay in your glass during + 2h was time to drink alone.