Tyvek (White spun bonded olefin) Open Side Booklet & Open Side Center Seam

Tyvek (White spun bonded olefin) Open Side Booklet & Open Side Center Seam
Open Side Booklets as well as Open Side Center Seams have their opening on the long dimension - offering inserting ease and convenience. These envelopes are manufactured with a white spun bonded olefin a material that is extremely strong lightweight and water resistant.