Borosilicate Glass Freezer safe -40° Oven safe 300° 10 year guarantee Capacity: 2.1L Size (W x L): 24 x 20 cm Pyrex Round Glass Casserole Dish 2.1 Litre The Pyrex® Glass Round Casserole draws its strength from its manufacturing material: Pyrex® borosilicate glass. Resistant to extreme temperatures, from -40°C to +300°C, this glass can go directly from the freezer to the oven in complete safety. Its exceptional quality lies in its resistance to thermal shock, up to 220°C, and its ability to preserve the purity of flavours without retaining odours or stains.