1. Don't contact with sharp metal. Don't use steel wire ball and chemical cleanser to clean.2. Don't directly use cutter on it in case of surface damage.3. Please clean it after use. Sugar and starch can be the corrosive to corrode the metal material.4.No collision. Non-stick coating can be abrased or scratched.5.Don't use salad oil. It will be absorbed on the coating, making it not easy to demould.6. Can't be use in microwave oven and open fire.