100% pure food grade silicone manufacturing environmentally and friendly, non-toxic, odorless, safe and healthy. Soft silicone material to make ice easier release, no cracking, long life. Cold and high temperature is ok! It is spherical ice, not easy to melt, long-lasting, can be placed on a variety of beverages, wine, etc! Perfect summer! A new hope make easy ice cream balls or cake for desserts your family and guests will love. Flexible and easy removal mold, perfect gift for any occasion. For you and your lovely children! Nice choice for hot summer!