BNYD Easy Push Pop out round Mini Ice Cube Trays with Flexible Silicone Bottom, Pack of 3 Each tray makes 21 round-shaped ice cubes. Blue, Green, Orange. NOT STACKABLE Set of 3 trays. Each tray measures 11 X 4 X x 1 - Inches Cubes are about 1-Inch in diameter when done. IMPORTANT: The base of the ice tray is made from plastic, to prevent any breakages, do not bend the ice cube tray.