The set consists of six 4-5/8-ounce glasses with a diameter of 6.9 cm.
These are the original French tumblers, created by the company that first invented tempered glass.
Duralex has 2-1/2 times the resistance to breakage and chipping compared to regular glass, and can also handle sudden thermal shock from -4-degree F to 212-degree F.
Duralex glass is highly hygienic, as it is non-porous and does not absorb liquids, colors, or flavors.
The products are safe for use in the dishwasher, fridge, and microwave, and can maintain their original appearance for years.