wood, genuine leather, velvet and hygrometer.
(10P-rectangular, 16P, 10+5 oboe and english horn, 20P, 20P- with watch, 18 P only for english horn).
note: for this type of box, not all exterior colors are possible to be applied.
suggested exterior colors: 2, 3, 4, 5, 6, 8 and 12.