Mead Mailing Envelopes, Clasp Closure, 9″ X 12″, All-Purpose 24-lb Paper, Brown Kraft Material, 20 per Box (76020) About this itemHeavyweight envelopes feature a clasp closure, in an Office Pak for larger quantity9″ x 12″ sizeBrown Kraft material20 envelopes per boxMade in United States