Completely clear, premium ice spheres. The finest cocktail bars in the world go to great lengths to serve crystal clear ice—even buying and carving their ice from 50+ pound clear ice blocks. Now, thanks to Invisiball by Corkcicle, you can get the same results using tap water from your sink. Clearly, a better way to cool. Kit includes Invisiball ice form mold and 24-ounce Gloss White Tumbler.