These cleaning papers are used with the mid range and low end scanners, you spray them with the F1 cleaner and clean the rollers.
Cleaning Papers do not have a sticky surface.

Paper size is A4 - 8.25"X11.76"

Also available for purchase separately are Ricoh Cleaning Sheets which are for higher end scanners and have a protective sheet when removed provides a tacky surface to feed through the ADF.