JAM Paper & Envelope Black 6 x 9 Open End Catalog Envelopes with Clasp Closures are made out of smooth high quality 28lb paper. This pack contains a total of 10 envelopes. Each one measure 6 x 9 inches in size making them great for folded documents smaller papers and more. Each one features a straight flap and a metal clasp closure as well as an optional gum closure for added reinforcement. These envelopes feature a sleek professional jet black color that makes them great for all kind of home and office mailing needs. Use these envelopes to mail letters forms documents invoices cards announcements and more! Size: 6in x 9in | Color: Black | Quantity: 10