Glass baking tins with plastic lids. The lid is not heat-resistant. The tin material is borosilicate glass: Heat-resistant from -40C to +300C. Suitable for use in the oven and microwave without a lid, as well as in the refrigerator and freezer. Tin sizes: 1.5l - 22x17cm and 0.8l - 19x14cm. Dishwasher safe.