Patches are fused and cut, but not sewn. Patches are fused and cut, not sewn. 1 set includes one of each jar, each in a different fabric. You may send in as many as, but no more than 20 sets. Each set must be in a ziplock baggy with your name and email address. You must include a SASE for return. Patches must be mailed by August 25, 2012.