Easy release design The ice ball trays are made of hard plastic, which releases round ice cubes more reliably than silicone molds. After taking the tray from the freezer, open the lid and twist slightly to release the ice. Tray size and yield Dimensions: 7.8 x 4.7 x 0.79 inches. Each tray yields about 1 tablespoon ice balls, with a total of 33 smooth spherical ice balls per batch. Foodgrade and safety Made from foodgrade material. BPA, odor, and nontoxic. Safe and durable for use with adult and baby food. Easy release and cleaning Take the tray from the refrigerator, wait a few minutes, and the ice cubes release easily. It is dishwasher safe for convenient cleaning. Use scenarios Cocktails and whiskey: large spherical ice balls melt slowly, keeping drinks cold without quick dilution. Entertaining: create visually appealing ice balls for parties and gatherings. Babyfriendly portions: freeze small portions of babyfriendly foods or juices for convenient, portioned use. Material and performance Hard plastic construction provides durable performance, reliable release, and easy cleaning while delivering smooth, complete spherical ice balls.