Quality Park 10 x 13 Postage Saving ClearClasp Envelopes with Reusable Redi-Tac™ Closure

Clasp - 10" Width x 13" Length - 28 lb - Clasp - Manila - 100 / Box. Innovative, self-seal, Redi-Tac clasp for repeated use and mailing with no metal clasps. Great for home, office, school, interoffice or USPS mailing.