Business Source DuPont Tyvek 1st Class Envelopes - Document - 12" Width x 15.50" Length - Peel & Seal - Tyvek - 100 / Box - White
BSN65860
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.