sepsmwlib15248 - duratuff gibraltar rocks glass - 4.5 ounce libbey duratuff everest rocks glasslibbeys exclusive duratuff treatment is a special thermal after-process produces durable glassware with prolonged service life for the foodservice industry. specifications:capacity: 4.5 oz.height: 3-1/8intop diameter: 3inbottom diameter: 2-1/8inmaximum diameter: 3incasesize: 36