Catalog envelopes are made with DuPont Tyvek so they are strong and moisture-resistant. Release strip makes document easily accessible to recipient, yet maintains security for your contents. Convenient peel-to-seal closure requires no moisture to close. Printed "First Class" border gives mail greater attention.
Business Source BSN 65805 DuPoint Tyvek Catalog Envelopes - First Class Mail - 9 1/2 Width x 12 1/2 Length - Peel & Seal