Duralex - Manhattan Clear Glass Highball Tumbler 305 ml ( 10 5/8 oz.) Set of 6 Capacity 10 5/8 oz, Diameter 7 cm, Height 13.7 cm. Duralex,shock 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 the original look for years. Made in France.