The first tumbler made in France, created by the company that developed tempered glass
Duralex is 2-1/2 times more resistant to breakage and chipping than regular glass, and can handle sudden thermal shock from -4-degree F to 212-degree F
Duralex glass is highly hygienic: it is non-porous and does not absorb liquids, colors or flavors; it is also free of lead, cadmium, and BPA
Safe for use in dishwasher, fridge, and microwave; Products maintain their original appearance for many years