Strings of Baglama (Celik)- Professional high quality generally is preferred for long lasting usage.
The Strings are stain-less and last for almost 2-3 months. if you need the strings for very professional activities like studio recording or important stage performances, you need to buy (Pyramid) or Stainable Strings. (Pyramid) are more qualitative than (Celik) in general but it is preferred according to taste of the players as well.