1) Silica Gel Mold Raw Material Uses 100% Food Grade Silica Gel, Through The FDA/LFGB Standard; 2) Non Stick, Mold Release Easily, Easy To Clean, Environmental Protection, Low Carbon, Can Be Recycled; 3) Simple, Practical, Health, Natural, Antibacterial, High Strength, Flexibility, Corrosion Resistance And Adaptability; 4) Is Not Easy To Damage, Not Cracking, Durable, Super Resistant To Extreme Temperature, High Temperature 230 Degrees, Low Temperature Minus 40 Degrees; 5) Safe, Non-toxic, No Smell, Heat Evenly. Size : 7.50 X4.5x1 Cm