from silicone with flexibility and durability, ensuring easy demolding and extended use for smooth daily operations The special designs produces smooth, glossy surfaces on finished gemstones, enhancing making your pieces more refined and attractive This features both circular and oval shape to accommodate various crafting needs, perfect for creating gemstones cabochons in for creative designs Suitable for experienced, this handling for projects, allowing you to crafting Works with epoxy resin, gel, and other materials, endlessly creative possibilities for unique gemstones jewelry and personalize customization