Ernie Ball's proprietary guitar polish formula is oil free and won't leave a powdery residue on your instrument. Spray on the cloth and wipe off in a circular motion for a streak free shine. Safe on most woods and finishes. No wait to wipe off. May also be used for cleaning plastic dust covers and compact discs. Comes in 4 oz. bottle. Cloth is 14" x 14" black microfiber cloth.