It comes with a 8oz can size and a cleaning cloth that you can conveniently use to get rid of the dust on your CD. You just have to spray it on the CD and wipe it clean. No need to worry about any CD scratches or this product being harmful to the environment. This product contains no toxic chemicals that can harm the ozone layer. Opt for a sustainable way to clean your CD. Buy the Century CDS8 Duster right now.