About this item LARGE-SCALE PRESENTATION: Durable compressed fiberboard folders with a matte finish for extra-large tabloid-sized document protection, organized storage, meetings, and presentations. HOLDS 575 SHEETS: 11×17 portfolio binder holds up to 575 sheets with secure 2-prong fold-over metal fastener (8-1/2″ center-to-center) with slide latch. Two-piece design for various document thicknesses. SCREENPRINTABLE: Bendy, compressed fiberboard withstands frequent handling. This matte pressboard is ideal for screen-printing logos and other presentation information. BUILT TO LAST: This Louisiana Purple folder is made from heavy-duty pressboard for durability; it withstands everyday use in the studio or office, providing long-lasting protection for your documents. PROFESSIONAL: Essential organization and presentation tool for architects, engineers, contractors, and art and design professionals. Perfect for blueprints, CAD drawings, specifications, proposals, and more