Italian for Crystal, Cristallo will be the jewel of your reading glasses collection. These beautiful readers are made from optical quality cellulose acetate. They come in three spectacular color combinations so you can mix and match with your favorite outfits. For the price there is no better reading glasses available than Bella Vista, Cristallo is an excellent choice for your first pair! As with all Bella Vista glasses optical spring hinges and a hard embossed case is included.