This post-bound presentation book includes ten heavy, ultra clear top-load pages w/black inserts and is expandable to 2" (50 sheets) with the purchase of Kolo extender posts. Perfect for presenting 8.5" x 11" prints or documents, post-bound construction also allows for creation of a continuous two-page 17" x 11" spread with just a minor seam at the spine. Designed for professional designers or photographers, but perfect as a nice personal album or luxurious scrapbook. Refillable. Use Series P Refills.