13-Pocket U-Eco Expandable Folder is the ultimate solution for organizing and protecting important documents. Made of polyethylene and wheat straw, this durable material is tear-resistant, water-resistant, acid-free and PVC-free. 13 pockets hold standard, 8-1/2" x 11" papers and easily expand to accommodate larger documents. Protective flap with recycled button and elastic closure ensure contents stay secure. Recycled paper labels let you easily identify contents.