This silicone snake jewelry mold is suitable for PMC and other metal clays, and is best used for fabricating rings and pendants. This silicone mold allows you to imitate the intricate serpent pattern in your jewelry without shaping the metal clay yourself. This snake mold is also non-stick, so you can copy the pattern without the hassle of removing the clay from the mold.This high quality flexible snake ring silicone mould is great for any kind of metal clay, and will ensure a faithful replica every time. Easily removable from your PMC or silver clay creations once cured, this mould will give you years of use.This silicone mold measures approximately 115mm x 5mm and requires 12 grams of silver or gold metal clay. It is recommended to use Mitsubishi Materials' PMC3, PMC+ or PMC Flex products to get amazing results. Moreover, molten metals are not suitable with this product.To use this PMC Silver Clay Jewelry Push Mold Snake Pendent or Ring Mould, simply apply an appropriate amount of lubricant into the silicone mold. After that, you can now place the metal clay into the mold to copy the shape and design, and leave it to dry. Then, remove the mold from the clay, and fire the shaped piece in a ceramic mini kiln or a stove top kiln, which are sold separately.Note: The photo shows a finished piece made from fine silver clay. However, it is not for sale and not included in the package.