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 of contents. Convenient peel-to-seal closure requires no moisture to close. Printed "First Class" border gives mail greater attention.
Business Source BSN 65858 DuPont Tyvek Catalog Envelopes - Document - 9 Width x 12 Length - Peel & Seal - Tyvek - 100 /