The Vaultz A to Z CD File Guides are a great way to organize your CD Library. Handy guides make music and data easy to find. Alphabetically organized index rows allow for storage of CDs while in their jewel cases, sleeves, or folders. Made of a heavy, water-resistant card-stock, the A to Z File Guides are durable, and work great in conjunction with Vaultz CD File Folders . The guides feature a staggered letter position for easy viewing.