Duralex - Picardie Vermeil Tumbler 310 ml (10 7/8 oz.) Set of 4 Set includes four amber tumblers. Capacity: 10 7/8 ounces, Diameter: 9 cm. Height: 9.4 cm. Duralex, made of shattered resistant tempered glass, is 2.5 times more resistant to breakage and chipping than normal glass. Can also withstand sudden thermal shock from -4 F to 212 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 its original look for years. Made in France.