Minas Envelope 10" x 13" Booklet Envelopes, Heavy 28lb. Brown Kraft, Strong Gum Flap (MBK1013NK)

Large Capacity – Measures 10" x 13", ideal for catalogs, booklets, reports, and full-size documents. Open Side Design – Convenient side-opening layout for easy insertion and removal of contents. Heavy-Duty Construction – Made with durable 28lb brown Kraft paper for reliable strength and a professional appearance. Strong Closure – Features a deep gum flap for a secure, tamper-resistant seal. Versatile Use – Perfect for offices, schools, mailing, filing, and organizational needs. Made in the USA – Proudly manufactured in the United States for consistent quality and performance.