Shark Wood & Hard Floor Polish is specially formulated for use with the Sonic Duo system to deliver a smooth, even, streak-free finish. The polish will fill in micro-scratches so floors look renewed and rejuvenated while leaving behind a protective barrier that will shield them from the normal wear and tear that life brings. Restore and protect your hard floors while leaving behind a high gloss shine. This polish has a quick dry anti-slip finish, plus it is non-toxic and biodegradable making it safe for your family and pets.