Duralex - Lys Stackable Clear Bowl 14 cm (5 1/2 in) Set Of 6 Set includes six stackable clear bowls, Capacity: 500 ml. 17 oz. Duralex is 2.5 times more resistant to breakage and chipping than normal glass Can also withstand sudden thermal shock, from -4 F to 212 F Dualex 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