Commercial Quality BPA-free, FDA-approved Food Grade Silicone Produces six large premium 4.2cm diameter ice spheres. Prefect size, not too big, not too small Quick release, non-toxic, and easy to clean Safe for dishwasher, freezer, refrigerator, and oven. Make Ice Balls Six times (6X) as fast! Compared with one cavity moulds. Why settle with making only one at a time... Ice spheres melt much slower than normal square ice cubes due to the reduced surface area. No more diluted watered down drinks! You can freeze virtually any liquid - the possibilities are limitless! From Coffee, to Water, to Juice. Add style to any party!