Large Ice Cube and Ice Balls Two silicone ice trays are designed to make ice cubes and ice balls. So you can makes two shapes of ice together. You can choose ice cubes or ice balls based on your glasses or beverage. Ice trays with lids can block other odor, stack together and make perfect shape. Warm Tips 1.Before using, please put it in hot water to disinfect. 2.Add pure water in the ice trays and put the ice trays in the freezers. 3.After using, please rinse it off by hands or dishwasher and store it at a dry place. 4.Avoid direct sunlight and long exposure to sun. The Methods to Remove Odors 1. Clean the ice trays and then rest them for 2 hours with hot water in it. 2. Add milk in the ice tray and shake it for 1 minutes and finally rinse it off. 3. Place some orange peels in it and cover the lid. Wait for 4 hours and then clean it. 4. Brush the ice trays carefully with tooth paste and then wash them. 5. Place the silicone ice trays at the ventilated place for 20 minutes. Specification Material: silicone Weight: 13.4oz Size of ice ball tray: 7.2x 4.7x1.8inch (18.5x12x4.7cm) Size of ice cube tray: 6.5x4.5x2inch (16.5x11.5x5cm) Color: transparent Package content: 2 x silicone ice trays