1. 100% food grade silicone material; easy to carry, easy to clean, always bright and beautiful 2, the silicone material used is very flexible; the product is flexible, not easy to change shape, very firm 3, high temperature (low temperature) characteristics, the highest heat resistance up to 230 ° C (minimum cold resistance up to -40 ° C); 4. It has a longer service life than other materials; it is resistant to oil, corrosion and microwave radiation.