1.Material:100% top grade silicone. 2.The product use for bake cakes. 1.The product made of high quality food grade silicone material.2.Heat resistant temperature: -40 °C~ +230 °C.3.It is non-toxic, odorless,non-stick ,non- rust or discolor, easy to use clean , suibable and not fragile.4.The product suitable for oven, microwave ovens and freezer. silicone baking cup moulds