Avery - AVE03380 Print your own elegant greeting cards, announcements and invitations with textured matte postcards and your inkjet printer. Heavyweight textured cardstock creates a quality look and feel. Postcards come with matching envelopes. Ultra-fine perforations let you separate cards cleanly and easily. Postcards meet U.S. Postal regulations. Compatible with all inkjet printers. Avery offers many easy-to-use Avery templates for many other popular software programs.