... silicone, can resist 230 centigrade high temperature ,safe to use in ovens ,microware ovens .and more durable than any other ... environmental protective,it can be washed under the tap ,in the dishwasher ,or in the washing machine .As required ,almost any shape PMS ... twist;5) Even heat distribtion;6) Safe to use in microwaver and dishwasher;7) Anycolor and pattern available, welcome customer design and ...