Silicone past, the laws polypropylene pp . Layer: withstands dishwasher to 100 c. Withstands microwave. Temperatursikker: -40 c to 230 c. Box, partition: withstands dishwasher. Withstands microwave. No warming or switch with food över 70 c. Warning choking hazard -... Read throughout product description by to press on buy button.