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. Pads will not affect reading/recording of data. Individual hermetically-sealed foil packets keep each pad fresh and easily stored at the work place. Advantus Read/Right Tape Head Cleaning Pads 80 / Box (Quantity)