Reusable envelope is ideal for office school and home use. Durable double prong metal clasp and reinforced eyelet. Heavily gummed flap closure. Global Product Type: Envelopes/Mailers-Catalog/Clasp Mixed Colors.Envelope Size: 6 x 9.Envelope/Mailer Type: Catalog/Clasp Mixed Colors.Closure: Clasp/Gummed Flap.Trade Size: 55.Seam Type: Center.Exterior Material: Kraft.Color: Brown Kraft.