Eand guitar or bass guitar quickly gets covered in dust or, for example, grease stains after regular use. Of course, you want to keep your instrument in good condition, so a special cleaning agent is recommended. The Dunlop 65 Formula No. 65 is a polish and cleaner, which not only cleans the lacquered parts of your guitar well, but also gives you the original shine. In addition, with the liquid from this bottle, you apply a very thin layer that protects the guitar from stains.