Duralex on Food52



Chances are you may recognize the Duralex brand (they’re sold in over 90 countries around the world). Founded in 1929, they still produce their classic tumblers in La Chapelle-Saint-Mesmin, in the heart of France. But while Duralex is known for iconic glass designs, they’re just as notable for their durability: In 1939, Duralex invented tempered glass—you know, the technique of extra high heat and fast cooling that makes glass twice as strong as the regular stuff (yeah, we didn’t know that either—neat, huh?).