Premium cleaning kit provides all the tools you need to effectively clean fingerprints and other embedded dirt from keyboard surface. Thoroughly removes crumbs, dust and other particles that accumulate between and under the keys. Completely safe for maintaining keyboard function. Complete Cleaning Kit—Includes one 3.5 oz duster, one 50 ml cleaning spray, one 5 1/4" x 7 1/2" microfiber cloth and four swabs. Application: Electronics/Antistatic Cleaner; Applicable Material: Ceramics; Fiberglass; Glass; Laminates; Metal; Plastic; Chemical Compound: 152a Difluoroethane; Dirt Types: Debris; Dust; Grease; Fingerprints; Soil; Smudges.