Food-grade safety material: Our ice cube trays are made of food-grade materials. BPA-free, odorless, and poison-free. Safe and durable. This set is remarkable for making and preserving ice cubes. They won't break or tear even if they have been frozen for a long time. Easy-to-use design: Just rinse the circular ice cube mold under the faucet and pour water into it. You don't need to pour water into one hole after another. Freeze for 7 hours, you can get 33 spherical ice balls. Lightweight The size of 17x10x2cm saves space in your refrigerator! You can put more things in your refrigerator without having to worry about storing them! It can also be stacked in layers! It's a breeze! Making Perfect Round Ice Balls: Food-grade material to maintain the same temperature on the upper and lower molds of the ice cube maker, in the freezing layer, ice cubes can be formed after 7-8 hours of freezing, and you can get a perfect round ice cube than the traditional silicone ice cube mold. Wide Application: In summer, use ice cubes to make homemade butter confections, homemade dog biscuits, drinks, fruits and wine, super suit for holidays and parties. You can use ice creams and enjoy refreshing drinks in cocktails, orange juice, whiskey or other drinks. In addition to water, you can fill molds with fruits, ice cubes, soda or wine.