Features: 1) Made of 100% silicone rubber, approved by FDA 2) Used in microwares or traditional ovens 3) Interseing shape. silicone cake mould :1) Made of 100% silicone rubber, approved by FDA2) Used in microwares or traditional ovens3) Non stick, does not grease the mold 4) Can also use it to make muffin, jelly,chocolate,etc..4)Our product can reach FDA, ROHS, EN72