These piratical skulls are like sunken treasure for your cocktails. Make four skeleton ice cubes in our food-safe silicone molds, and you'll have enough chill for you and your whole skeleton crew. Makes four 1.5" ice cubes Food-safe silicone Dishwasher safe Foster & Rye combines rugged utility with quality materials and humorous stylings for barware accessories that stand the test of time. Life is too short for boring barware.