The Art Profolio Multi-Ring Refillable Binder features a sleek, contemporary exterior design with durable, matte black precision steel binder rings. Made from a unique and proprietary process, the polypropylene cover is rigid to protect the contents, yet lightweight for easy transport of your important presentations. A unique, center mounted, multi-fold spine allows the Art Profolio Multi-Ring Refillable Binder to lay perfectly flat for presentations. Designed for use with ITOYAs exclusive PolyGlass Pages refill sheets, featuring crystal clear clarity and glass smooth texture. Includes one pack plus bonus sheet. Archival safe and acid-free. Available in nine popular digital image and art sizes. Note – Product Sizes given are the sizes of the artwork they accommodate, not the actual dimensions of the product.