... durable.7 Permanent usage, To be used in the refrigerator, freezer,microwave, oven. Stand a temperature range from -60 to 230 degree ... be attached to more oil in the steamed meat, food to lower fat content.3.Cleaning is very simple, ordinary 3M wipe ... steamed fish,& chicken, kinds of meats and vegetables, steamed frozen food, steaming pasta (dumplings, dim sum and the like) Best Design of Food Grade BBS ...