Luigi Bormioli Set of 4 Allegro 10-Oz. Martini Glasses Set of 4 Cocktail glasses from Luigi Bormioli's Allegro stemware line; 10-ounce glasses well-suited for serving cosmopolitans, martinis, and similar libations Luigi Bormiolis proprietary material called SON.hyx allows the glasses to be extremely break resistant and transparent. 25 Year Guarantee! The guarantee covers chipping on the rim or foot as well as any discoloration or cloudiness resulting from dishwashing. Innovative glassmaking techniques produce perfectly smooth rims and edges Made in Italy, each cocktail glass stands 7-4/5 inches high with a 9-2/5-inch circumference; set weighs 1 pound upon shipping