Duralex Made In France Lys 10-1/4-Inch Clear Bowl, Set of 6 Lys 6 piece set includes 10.25 inch stackable clear bowls Duralex is 2-1/2 times more resistant to breakage and chipping than normal glass Duralex can also withstand sudden thermal shock: from -4F to 212F Duralex glass is very hygienic: It is non-porous and does not absorb liquids, colors or flavors Dishwasher, fridge and microwave safe; products maintain the original look for years Lys 6 piece set includes 10.25 inch stackable clear bowls Duralex is 2-1/2 times more resistant to breakage and chipping than normal glass Duralex can also withstand sudden thermal shock: from -4F to 212F Duralex glass is very hygienic: It is non-porous and does not absorb liquids, colors or flavors Dishwasher, fridge and microwave safe; products maintain the original look for years