Match your documents, certificates and other business correspondence with JAM Paper's Booklet Vellum Envelopes for a more stylish presence in the mail! Recipients won't be able to overlook their unique see-through exterior, which provides a neat peek into the contents contained inside. Each envelope is crafted from high quality 30lb. paper, promising a durability you'll appreciate. It also features a straight gummed flap that cleanly and firmly seals, as well as a smooth finish for easy handling.Details:Clear9" x 12" envelope size30lb. vellumAvailable in multiple countsBooklet openingGum adhesive flapSmooth finish