JAM Paper Open End Envelopes are versatile and stylish for all your mailing needs. Mail and protect important documents such as college applications, catalogs, brochures, and much more in these classic brown kraft envelopes. Whether you are using at office or home, your documents stay protected and appropriate. This pack contains 100 brown kraft envelopes. Each envelope measures 9" x 12", has an open end opening (no clasp), straight flap, gum closure, smooth finish, and is made from 28 lb. paper.Details:Brown Kraft9" x 12"28 lb/75 gsmStraight flapGum closure100 envelopesPaper