... 2, wear-resistant, high temperature, 3, can be mixed batch Cup Lids(FDA Certificate) The strains of food-grade silicone rubber, environmental ... -resistant, high temperature resistant up to 230 degrees, bottom temperature resistance up to -40 degrees3, no deformation, beautiful, generous4, easy to ... , may provide any desired color, Customzzed6, Can be mixed batch Cup Lids(FDA Certificate)