Description Shipping & Returns Reviews Description Perfect for stearin, soap, resin, plaster, jewellery clay, and Silk Clay. Oven safe at 130 degrees. Durable silicone a flexible material that makes it easy to remove your creations from the mould with every detail intact. . Create small castings that you can use as ear studs and stitch markers or as decorations on handmade soaps, candles, etc. Shipping & Returns Reviews