"Clasp Envelope, #97, Squar Flap, Clasp/gummed Closure, 10 X 13, Brown Kraft, 100/box | Bundle of 2 Boxes"

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. Reusable, so you can substantially reduce purchasing. Heavyweight brown kraft stock protects contents during mailing, storage and handling.You may also like "Jumbo Size Kraft Envelope, Fold Flap Closure, 14 X 18, Brown Kraft, 25/pack | Bundle of 2 Boxes".