Silicone: silicone,, non-stick and flexible, and easy to separate Easy to use: You only need to pour the resin into the silicone mold to make crafts.During the production process, You can also add sequins, small dried flower, small ornaments and other decorative objects that you like, to make your own unique : Great mold for items, they will bring more fun during the crafting process Great Gift: to your loved, friend on birthdays, mother day, Christmas, New Years, wedding Wide Application: Great for making jewelry box, candy cans, epoxy resin, flower pot