Convenient, disposable, lint-free cleaning pads are pre-moistened with 91 percent isopropyl alcohol and 9 percent deionized water. Excellent for precision cleaning of tape heads, guides, capstans, plastic rollers and disk pack platters. Safe, effective solvent cleans and evaporates in seconds. Will not affect reading/recording of data. Individual, hermetically-sealed foil packets keep pads fresh and store easily at the workplace.