The patented FlexiWheel with its unique microfrictional surface repairs a thin protective layer on discs within the safe buffer zoneThis process smoothes abrasions and removes dirt and grime to renew the disc"sWorks gently enough to repair the same disc multiple timesIncludes: Disc repair device with patented FlexiWheel SkipDr rejuvenating fluid blue drying cloth Clean Dr Disc cleaning solution 8" x 8" microfiber cloth 6 AA batteries instructions