This set of 2 wide oval baking dishes is made of high-quality borosilicate glass. Important: When removing the baking dish from fridge or freezer, do not introduce it in a pre-heated oven at more than 120°C. They are reusable and easy to use. Capacity / Size / Weight: 2,700ml / 34.4 x 22.3 x 6.1cm / 1,380g; 3,800ml / 38 x 25.4 x 6.5cm / 1,800g.