Canon Postcard Size Color Ink / Paper Set (RP-108) for Canon SELPHY CP Compact Photo Printer [RP-108] #  Postcard Size: 4 x 6 inches (148 x 100 mm), paper with 108 sheets and two color inks included #  Watermark reverse side: These post card sized photos are printed using dye sublimation print technology, so that means as soon as you print is finished it is instantly dry, smudge free and water resistant #  Compatible: with SELPHY CP910/CP820/CP1200/ CP1300 / CP1500 / (CP1000 Series)