The finished product has different effects of refraction at different angles under sunlight. silicone , and flexible to use, good heat resistance, not easy to break. Small and lightweight, easy to make decorations and store,can making beautiful crafts and send it to your friend as a . Can work well with most casting materials like clay, plaster, resin, wax, clay and more, add any materials like powders,sequins into the mold. Can be applied to make various crafts like keychain,earrings,pendant,decoration tools.