Using the same idea as the brand's soapstone whiskey cubes, this set of two cups quickly chills your shots. Stash them in the freezer and the non-porous stone quickly cools down. Pour in your favorite spirit and watch as the ice crystals form and your drink chills from the outside in. The dishwasher safe cups are designed neatly tuck into the corner of your freezer, staying out of the way until the nightcaps start.