Canon RP-108 Color Ink/Paper Set, Compatible with SELPHY CP910/CP820/CP1200/CP1300 5 Imported 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/CP1000/ CP1300