... for oven,microwave &deep-freeze 4)FDA,SGS approve silicone soap mould1. Material: 100% silicone rubber 2. Hardness: 40, 50, ... 4. Good PH level resistance 5. Easy to remove when soap dry 6. Long life time 3-4 years 7. ... customized design are available 10. OEM and ODM service availableSilicone soap mouldBrandXTD mouldMould materialSILICONECavitymultiRunnercoldPlastic materialPVC,U-PVC, PPR, PE, etc ...