Read Right KeyKleen Keyboard Cleaner Swabs, 24/Box Pre-moistened swabs remove dust and dirt from tight crevices quickly and easily. Great for use on keyboards, phones and calculators. Dries quickly and does not leave a residue. 24 individually packaged, pre-moistened swabs per box. Application: Computer Cleaner Kit; Applicable Material: Fiberglass; Metal; Plastic; Chemical Compound: Ethyl Alcohol; Dirt Types: Body Oils; Dust; Grime. Formula dries quickly and leaves no harmful residue.