cake moulds: natural durable non-stick easy clean surface Different colors and sizes are available Use in conventional or microwave oven, temperature resistant from 0 to 250. Could quickly and easy to wash. NO rust or discolor, Cools quickly and easy to clean. Heat resistant, microwave and freezer safe Dishwasher safe, Durable, pliable and not fragile. 100%sillicom material with FDA and LFGB certificate. Different colors and sizes are available, with logo imprint as per requests