1. EASY TO RELEASE: 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 silicone ice cube mold. 2. USER FRIENDLY DESIGN: Simply rinse the circle ice cube mold under watertap and fill water in. No need to pour water in one hole after another. Freeze for 8 hrs, you can get 33 pcs sphere ice balls. 3. FOOD-GRADE SAFETY MATERIAL: Our ice trays are made of high quality food-grade material. BPA free, no smell, no toxic. Safe and durable. 4. NICE SHAPE: Our ice cube mold comes with a unique design which makes every circle ice ball regular and perfectly round. 5. Wide Application:Perfect for whiskey, cocktails, Coffee, infusing fruit or herbs. Try infusing mint for that perfect Mojito or strawberries for that delicious lemonade.