C-Spin - FDA Approved Four 4 Large Sphere Round Ice Balls Maker Tray Mold Mould Cube - Royal Blue - Whiskey Cocktails Whisky Hard Liquor Ice Cream Jello Chocolate Candy Each ice ball mold makes four 4.5cm ice spheres Made of imported food grade silicone material, non-toxic and safety. FDA Approved Great for making ice cubes, chocolate, gelatins in party and bar. After being frozen, the ice ball will become colorful, sparkling and crystal-clear. Resistance to high temperature and low temperature, proper temperature range for -40-220.