I'm also listing other tableware today!! A set of super-strong porcelain plates with heat and cold resistance. - Material: Super-strong porcelain - Microwave Safe: Yes - Oven Safe: Yes - Freezer Safe: Yes - Dishwasher Safe: Yes Microwave, oven, freezer, and dishwasher safe. 5 out of 7 plates have been used. There are some scratches on the back from being put in the dishwasher, so please understand this before purchasing.