Clearly, a better way to cool.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: Flavorless, crystal clear ice that's free of air bubbles and impurities. Includes Invisiball ice form mold + 24-ounce Gloss White Tumbler. Standard Tumbler Lid not included with kit.