Soft 100% silk swab with high absorption capacity to clean the inside of the body of the instrument. BG swabs absorb quickly and efficiently to help keep your instruments in optimum playing condition. One metal weight inserted into a tubular partof the swab to facilitate passage through the clarinete. This is a 100% color silk swab allowing high absorption throughout the instrument. Washer safe with a lifespan of more than 5 years.