NOVICA Hand Blown White Glass Tumblers 'White Splash' 16 oz (set of 6) Size: 5" H x 3.1" 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