Quality Park Catalog Envelope (model QUA41667) in brown kraft, sized 10 inches by 13 inches. This box contains 100 envelopes made from sturdy 28 lb kraft paper, ideal for mailing catalogs, reports, booklets, and other large documents. The traditional catalog-style construction features a center seam design with a gummed flap closure. Brown kraft material provides durability and a professional appearance for business and personal mailing needs.