Duralex - Picardie Clear Bowl 23 cm (9 in) Set Of 6 Picardie 6 piece set bowls The original french bowls, made in France, by the company that invented tempered glass Duralex is 2-1/2 times more resistant to breakage and chipping than normal glass, can withstand sudden thermal shock. From -4-degree F. to 212-degree F. Duralex glass is very hygienic: it is non-porous and does not absorb liquids, colors or flavors Dishwasher, refrigerator and microwave safe, Products maintain the original look for years