Features: These silicone molds are used to make epoxy resin pendents in different patterns. Made of brand new high quality silicone, they are food-grade and non-toxic. The surfaces are quite smooth, so finished products will also have very smooth surfaces. Wide temperature range, they can support temperature between -40℃ and 230℃. They can be used in oven, refrigerator, microwave oven, etc. Specifications: Material: Brand new food-grade silicone Temperature Range: -40℃~+230℃ Weight: 74g(approx.) Instruction: 1. Apply release agent on silicone mold. 2. Prepare epoxy resin with boiling water, but do not contact water. 3. Mix epoxy resin in a appropriate proportion. 4. Mix toner or petal with epoxy resin. 5. Pour epoxy resin into mold. 6. Wait for epoxy resin to solidify and release. Package Includes: 4 x Molds (pendants are NOT included) Note: Please allow small size error due to manual measurement. Thanks for your understanding.