The school-canteen tumbler that endured.
Duralex grew from Saint-Gobain’s tempered-glass expertise in La Chapelle-Saint-Mesmin. Its Picardie and Gigogne glasses became familiar because they are stackable, heat-resistant and hard to break.
- 1945
The Duralex brand is registered.
- 1954
The Picardie tumbler is introduced.
- 2024
The factory becomes a worker cooperative.



