O’Cuisine is an authentic French Brand that produce the highest quality borosilicate glass cookware and bakeware in Châteauroux, France. Having the largest furnace in the world, O’Cuisine have become the world leaders in producing glass. O’Cuisine is made in France from tough, heatproof borosilicate glass so it is resistant to thermal shock and accidental chipping. Take it from the freezer (-40°C) to oven (300°C) to table and use it with confidence in your kitchen. All their products is dishwasher safe for easy cleaning and free of plastic, free of harmful chemicals and is also eco-friendly.