This large ice cube tray from Oxo includes a cover and is made from BPA free silicone. It makes 6 large ice cubes measuring 1.75 inches / 4.5cm that last longer to prevent watering down your drinks. The flexible silicone construction makes uniform and easy to remove cubes. The silicone is supported with a sturdy plastic frame. The cover helps to keep the ice cubes from absorbing freezer odors and allows you to stack multiple ice trays. The Oxo ice cube tray is dishwasher safe and measures 20.5 x 12.4 x 5.7 cm.