mold is silicone, eco-friendly, non-toxic, flexible, reusable and Non-stick, easy to separate, easy to clean, eco-friendly,low carbon, can be recycled, resistance to low temperature minus 40 degrees, high temperature 230 degrees, uniform heating and cooling. Simple and useful, healthfulness, corrosion resistant and adaptabilitySuitable for keychain, pendant, jewelry, decorations, crafts making, etc. Perfect for you and your family together.Unique Gift for Someone You Value: Give your gifts to your loved ones, on birthdays, Christmas, New Years, weddings, etc. Tips:1. We only provide silicone mold. Please make your own!2. After squeezing and deforming, you only need to rest for a while, and then restore the state.