Easy To Release & Non-stick - Made of food-grade silicone that is both durable and non-stick. The flexible silicone material allows you to release ice with ease compared to the traditional plastic types that are stiff and prone to breaking. Square Ice Cube Tray - Creates 6 pieces of giant 2 inch square ice cubes. Perfect for old-fashioned cocktails like whiskey, scotch, bourbon, or chilled drinks like lemonade, soda, and juice.