Buy from Amazon.com : http://fave.co/1MMbajf <br /><br />Archival Methods Onyx 8.5x11 x 2 Portfolio Box 8.75 x 11.25 Black Buckram / White Lining.<br /><br />Product Description : <br />Box core is Kappa binders board 01 a bookmaking board with no glue between layers <br />Lined with 80 lb acid- and lignin-free paper <br />PAT tested and passed <br />Covered in library quality F-Grade Buckram poly-cotton with a moisture-resistant 100 aqueous acrylic coating <br />Adhesive is pH balanced and buffered
