This HP 61 Combo Inkjet Ink Cartridge set will help you be more creative with your printing. It includes two high-quality ink cartridges, one black and one tri-color. In addition, you get a project booklet with lots of ideas for you to implement as well as ten 5" x 7" photo cards, ten 5" x 7" envelopes and five sheets of photo paper. With all these HP Inkjet cartridges and printing options, you can make and send your own custom printed cards. Put your favorite pictures on them so you can always have the appropriate card on hand.