The photo paper "Kp-108in (148 x 100 mm, 108 x)" is suitable for the Canon Selphy CP800. It is the original postcard size paper (100 x 148 mm) with 108 sheets, which is specially designed for this printer series.

This paper is offered as a set together with the matching colour cartridge and is compatible with the Selphy CP800, so you should have no problems with it.