????Note: No need to inject water through the small hole one by one. Simply fill the whole bottom up with water and put the lid on. ??EASY TO RELEASE: It's easy to release the ice cubes from the tray thanks to the smooth surface and twistable. Round ice cube tray is the latest and newest type of ice cube tray. ??EASY TO USE: Simply fill the tray with water, put the lid on, put it in the freezer, and in a few hours you'll get some very nice small ice balls. When you are not using it, just rinse in water and dry. ??FOOD-GRADE SAFETY MATERIAL: The ice cube tray is made of durable & environmentally friendly food-grade material and safe for use. BPA-free, no smell, no toxic. ??33 Ice cubes: An ice tray can hold up to 33 ice cubes to meet your daily use. Besides water, you can fill the ice cube trays with juice, ice cream, soda, jelly, and wine to customize your favorite flavor. ??ROUND DESIGN: With a unique round design, these ice cube trays are a great way to serve beverages at home, parties and other events.