NOVICA Clear Blue Eco-Friendly Hand Blown Glass Tumblers, 15 oz, Aquamarine Swirl' (set of 6) Size: 5" H x 3.1" Diam.; Capacity: 15 oz. 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: Recycled glass