Abstract: The invention is a self-reply envelope, having a front panel and a rear panel, creating a pocket therebetween. The front panel has recipient indicia and sender address indicia. The front panel has return mail indicia and a sender arrow adjacent to the return mail indicia that refers to the sender indicia. The rear panel has a main flap that is sealable to the front panel. The rear panel has an outer flap, an inner flap, and an opening tab between the outer flap and inner flap. The main flap covers the return mail indicia. The opening tab is removable to open the envelope, and to reveal the return mail indicia. The envelope is resealable by the recipient without obscuring the return mail indicia so that the envelope may be returned to the sender by re-mailing the envelope.