Clasp Envelope, #90, Square Flap, Clasp/gummed Closure, 9 X 12, Red, 10/pack | Bundle of 5 Packs

Designed for repeated use, double prong metal clasp is durable and eyelets are reinforced. Constructed from heavyweight 28-lb stock designed to give contents extra protection during mailing, storage and handling. Feature a moisture activated secure seal with deep gumming on the flap to create a permanent seal.