Quality Park 12x15 1/2 Clasp Envelopes (100/Box) and 10x13 Clasp Envelopes (100/Box)

• 12x15 1/2 clasp envelopes have durable 2 prong metal clasps and reinforced eyelets for repeated access (Quality Park). 10x13 clasp envelopes have double prong metal clasps and reinforced eyelets, reusable (Quality Park) 32 lb heavyweight kraft paper is opaque to protect contents (12x15 1/2). 32 lb heavy-duty brown kraft stock stands extensive handling (10x13) Deeply gummed envelope flaps create firm seals for mailing (12x15 1/2). Heavily gummed flaps keep envelopes securely and permanently sealed (10x13) Ideal for oversized storage and organizing office documents (12x15 1/2). Fits larger documents perfectly (10x13) 100 envelopes per box for both sizes