Product Description Creating your own postcards is quick and easy with this 200 pack of Avery 5689 customizable postcards you can print yourself. Whether you want to add a personal touch to thank you postcards, event invitations, important announcements, or other marketing collateral, these printable cards are the perfect blank canvases for beautiful custom designs. Cut from quality white cardstock with a weight of 80 lbs / 216 gsm, every sheet features a series of meticulous perforations that make it easy to tear each card apart while still leaving behind a smooth, clean edge. Both sides of the postcard paper are optimized for laser printers to let you create crisp, double-sided designs. Explore a variety of templates, tools, and designs to create custom postcards when using Avery Design & Print Online. You can also use these versatile cards for your own we’ve moved postcards, menu cards, save the dates, and anything else you can imagine. These 4.25" x 5.5" postcards meet U.S. postal regulations for mailing, which means you just need the address and proper postage, and it’s good to go. No envelopes needed! From the Manufacturer Create invitations, announcements and reminders using laser printers. Heavyweight, letter-size cardstock feeds automatically from a paper tray. Ultra-fine perforations let cards separate easily and cleanly. Avery offers many easy-to-use templates for Microsoft Word and other popular software programs. Weight meets federal postal standards.