This is a microfiber swab allowing high absorption throughout the alto flute.
1 metal weight inserted into a tubular part of the swab to facilitate passage through the alto flute.
  
Lint-free, chemical-free.
Washable (up to 30°C in a washing machine, inside a net).
Lifespan of more than 5 years.
BG swabs absorb quickly and efficiently to help keep your instruments in optimum playing condition.