Whiskey Stones Set of 4 is a set of cubes made of stainless steel from the brand Vacu Vin. The cubes are designed to cool your drink without diluting the taste with water. The elegant cubes are not only practical in their brilliant function, the cubes are also beautiful to serve together with your favorite drink at special moments and parties. The cubes come in sets of 4 and come with an associated case to store the cubes in.