Features: Molds are made of Food-grade Epoxy Silicone. Non-stick,easy to separate, clean, eco-friendly,low carbon, can be recycled. Simple and useful, Healthfulness,natural antibackerial,High strength softness, corrosion resistant and Adaptability . Not easy to damage,No crack,Resistance to extreme temperature,-40°C——230°C,(-40°F——446°F),safety,Non-toxic, No smell , Heated evenly. Jewelry Making Steps:Smear the mold release agent on the silicone mold;Hit epoxy by boiled water,but can'for t for touch the water;Mix the epoxy to suitable  ratio; Mix toner into the epoxy;Pour the epoxy into mold;Wait until epoxy curing;After dry , if there some place are not smooth,you can use sandpaper or other tools to let them looks more beautiful. Specifications: Material:Silicone Color:Clear White Pattern: Square Size: 10x10x10cm/4x4x4inch Package Includes: 1 Pc x Jewelry Mold. note: Transition: 1cm=10mm=0.39inch Please allow 0-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!