The resin coaster molds are made of quality silicone material, flexible and soft, easy to use and release, safe and wear-resistant, smooth inside, no need to cut or polish the finished resin, easy to clean, and reusable.The shapes of the molds enable you to easily embed various materials in your resin, such as dried flowers, glitters, polymer clay slices, and more. It is easy to release your resin castings from the mold, no need for releasing agent. The silicone molds for epoxy resin can be made not only into earrings but also into necklace pendants, bracelets, anklets, key chains, etc. You can use the accessories in the set to create a complete jewelry craft.There are several shapes that do not have holes, for those you can add earring studs on the back with super glue, and also add dangles below. If with UV resin, make sure to read your UV resin manufacturer's instructions before using. UV resin may be overheated while curing in large amounts, which will result in burning the mold or bending your castings.Package Contents: Jewelry Resin Molds I Material: Silicone I Color: - White I flexible, durable, and reusable I can be used to make unique handmade items for your loved ones and friends I Keep clean and wash with soapy water and keep stored in a dry dust free area I You can add beads, glitter, color, and pictures to make your own beads and pendants.