The Bona Premium Spray Mop for Oiled Wood Floor is the easiest and most effective way of cleaning oiled wood floors in the home. Simply spray and wipe the floor clean. It cleans and nourishes your oiled wood floor while providing extra protection. The Bona Spray Mop is so easy to use, just simply slide the bottle into the cage until you hear a click. When it comes to refilling your cartridge, simply press the silver button, unscrew the white cap, refill, screw back on the white cap and slide back into the cage until you hear a click.