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 BSN 65805 Dupoint Tyvek Catalog Envelopes - First Class Mail - 9 12 Width X 12 12 Length - Peel Seal - Tyvek - 100 Box - White