silicone soap mould 1) 100% silicone 2) Endure -40C to 260C 3) Suitable for oven,microwave &deep-freeze 4)FDA,SGS approve silicone soap mould1. Material: 100% silicone rubber 2. Hardness: 40, 50, 60, 70, 80 shores 3. No distortion under heat, temperature range -40 degree to 260 degree 4. Good PH level resistance 5. Easy to remove when soap dry 6. Long life time 3-4 years 7. Tasteless, nontoxic, ...