Our ice cube mold comes with a unique design which makes every circle ice ball regular and perfectly round. Simply rinse the circle ice cube mold under water tap and fill water in. No need to pour water in one hole after another. Freeze for 8 hrs, you can get sphere ice balls. Simply Twist & Twist the ice cube tray. Put the tray up-side- down then you will have perfectly round ice cubes! Easier to release than ice cube mold. Our ice trays are made of high quality food-grade material. BPA free, no smell, no toxic. Safe and durable. Perfect for whiskey, cocktails, Coffee, infusing fruit or herbs. Try infusing mint for that perfect Mojito or strawberries for that delicious.