Horizontal, booklet orientation. Durable polypropylene construction. String-and-button closure.
Horizontally oriented, booklet envelope is ideal for transporting files. Durable polypropylene construction is moisture- and tear-proof. Elastic string and riveted button closure stands up to regular use. Seam Type: Weld, Flap Type: Cheese Blade, Security Tinted: No, Opening: Open Side.