Duralex - Picardie Clear Tumbler 4.3 Ounce Set Of 6 Set includes six small glasses 4-1/4-ounce. Measures: Height 3 inches. Diameter 2 3/4 inche The original French tumbler, made in France, the company that invented tempered glass Duralex is 2-1/2 times more resistant to breakage and chipping than normal glass, can withstand sudden thermal shock. From -4-degree F. to 212-degree F. Duralex glass is very hygienic: it is non-porous and does not absorb liquids, colors or flavors Dishwasher, refrigerator and microwave safe, Products maintain the original look for years