Quality Park 10 x 13 Catalog Mailing Envelopes with Redi-Seal Closure

Catalog - #13 1/2 - 10" Width x 13" Length - 28 lb - Self-sealing - White - Kraft - 100 / Box. First-class border gets your mail delivered first-class by USPS; gives your message importance and attracts attention. Redi-Seal closure with 2 adhesive sides for a clean, sanitary seal with no envelope moisteners or wasteful paper strips.