NOVICA Hand Blown Blue Glass Highball Glasses, 13 oz. 'Cobalt Centrifuge' (set of 6) Size: 6" H x 3.3" Diam. Authentic: an original NOVICA fair trade product in association with National Geographic. Certified: comes with an official NOVICA Story Card certifying quality & authenticity. Exceptional Artisan Quality by Javier and Efren. Product info: Blown glass