The original french glassware, made by the company that invented tempered glass;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;Duralex is 2.5 times more resistant to breakage and chipping than normal glass, can also withstand sudden thermal shock: