Arcuisine Borosilicate Glass Oval Roaster 9.85 Inches (25 Centimeter) Borosilicate Glass Oval Roaster 9.85 Inches (25 Centimeter) Prepare, cook, serve, and store in the same cooking vessel. Freezer to oven to table to refrigerator safe | Use in conventional or microwave ovens The bakeware is made with Borosilicate, the original glass developed for cooking in the oven, which is an exceptional glass for cooking in total safety. Borosilicate glass offers both excellent resistance to thermal shock and safety BORON and TEMPERING ensure a double guarantee of resistance to thermal shock. Exceptional heat resistance, Exceptional chemical resistance = Exceptional quality, Scratch and Stain resistant Dishwasher safe. Comes with a 5 year manufacturers guarantee. Made in France