duralex - lys stackable clear bowl 7.5 cm (3 in.) set of 4 duralex this collection of bowls is named after the lys river because of its clarity, simplicity, utility and beauty, all characteristics of the river that runs through france and belgium. great for everyday use, these impact and chip resistant bowls are extremely durable and versatile. the mechanical and thermal resisting properties are considerably increased compared to other ordinary glassware products. it is the perfect weight, functional yet stylish and stackable. since 1939, when duralex invented the glass tempering process, the name duralex has been associated with resilient glassware, thanks to their proprietary tempering process. with the help of continuous investments and commitment to quality, duralex has reached a level of excellence that makes its products recognized throughout the world. duralex is and will always remain a true french manufacturer of glassware and tabletop products.