This 17x11 multi-ring refillable portfolio presentation binders feature a sleek, contemporary exterior design with durable, matte black precision steel binder rings. The polypropylene cover is rigid to protect the contents, yet lightweight for easy transport to your important presentations. A unique, center mounted, multi-fold spine allows it to lay perfectly flat for presentations. Archival safe and acid-free. Pages feature crystal clear clarity and glass smooth texture. Binder includes one pack of 10 PolyGlass® Page refill sheets plus one extra bonus sheet. Includes: 10 sheets (20 views). Approx. Capacity: 20 pages (40 views). Other available sizes.