brand new and high quality Silicone is flexible, resistant to tearing, durable in use. They can be used with such materials as light metals, plaster, wax, soap, epoxy and urethane resins. Form degassed in a special vacum-cam that allows to get rid of air bubbles in the silicone mold mass, enhance the form and up accurately convey fine details. for Ideal for making pendant earring,necklace from resin,creat beautiful jewelry pieces. Forms ARE NOT SUITABLE for the manufacture of food products! Ingestion of the product manufactured from silicone mold danger of poisoning! Making Steps: 1. Smear the mold release agent on the silicone mold. 2. Hit epoxy by boiled water,but can'for t for touch the water. 3. Mix the epoxy to suitable ratio. 4. Mix toner into the epoxy. 5. Pour the epoxy into mold. 6. Wait until epoxy curing. Specification: Material: Silicone Size: app.6.8cm/2.68'' Heart size: app.5.8cm/2.28'' Color: Clear Quantity: 1 Pc Note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Silicone Mould (Without retail package)