[Easy to release from the mold]: The mini ice ball tray is made of hard plastic, which makes the round ice cubes easier to release than ice cube molds. After removing the molds from the freezer, remove the lid and gently turn the tray to release the ice. [Easy to Use]: The round ice cube molds consist of a tray and a lid with a small hole. Just pour about 300ml of liquid into the tray at a time and close the lid. Then put the ice machine into the freezer for 4 hours to get 33 spheres. (3 discs can do 99 balls at the same time) [Food Grade Material]: The mini ice hockey machine is made of high quality food grade material. BPA free, odorless and non-toxic. This ice cube tray is safe and durable for adults and kids food. [Beautiful Shape]: The round ice cube tray adopts a unique design, which can make each round ice cube rule complete. [WIDE APPLICATION]: The ice tray is perfect for whiskey, cocktails, coffee, fruit or herbal infusion. Try infusing mint for the perfect mojito or strawberries for a delicious lemonade.