Clear Ice maker mold - Triangle Shape by Polar Ice Tray Freeze crystal clear ice with the Polar Ice Tray - Square Bamboo Series Easy to use: simply just add water, and then place into your refrigerator for clear ice. Convenient removal of ice: the patented feature of the clear ice tray allows for easy removal and separation of ice. Great gift for your favorite Whiskey Drinker! Easy-to-Remove Design: Our patented tray allows for easy removal of your crystal clear ice