OXO Glass Bakeware is made of thermal shock resistant borosilicate glass, which means it can go from freezer to oven without the need to thaw. The OXO 8 Piece Glass Bake, Serve & Store Set is the perfect partner for all of your baking adventures. The Set includes a Glass 3 Qt Baking Dish, Glass 2 Qt Baking Dish, Glass Loaf Pan, Glass Pie Plate, 1 Cup Round Smart Seal Container, and 2 Cup Round Smart Seal Container.