Crystal Premium Tack Rag Cloths are designed for dust, lint, and dirt removal. Crystal Tack Cloths ensures a blemish-free, mirror-smooth finish. Crystal Tack Cloths will not dry out, harden, or darken. They are completely Non-Toxic and will not spontaneous combust. Can be used in Automotive finishing, Woodworking finishing, Powder Coating, or as a dust cloth for your high priced electronics.