NOVICA Hand Blown Green Eco-Friendly Glass Tumbler, 16 oz. 'Lemon 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