Ice Mold And Tray For Making Ice Cubes/Color Varies-Blue. This ice tray or mold can be used for making ice cubes. it is made of quality plastic material which does not wear out easily.it is a 3 by 7 grid meaning it will give you 21 ice cubes. fill it with your favorite drink and put it in the freezer until all the drink is frozen to get ice cubes.