Business Source 28 lb. White Catalog Envelopes Catalog – #13 1/2 – 10″ Width x 13″ Length – 28 lb – Gummed – White – Wove – 250 / Box (BSN42103)

Heavy-duty, all-purpose mailing envelope is ideal for mailing documents, catalogs, direct mail, promotional material, brochures and more. 28 lb. opaque white wove construction delivers privacy of contents. Open-ended style allows easy insertion and removal of items. Moisture-activated gummed flap ensures a secure seal.