NOVICA Multicolor Eco-Friendly Hand Blown Glass Tumblers, 16 oz, Sky Rainbow Raindrops' (set of 6) Size: 6" 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: Recycled glass