About the model The YCL-255 combines state-of-the-art production expertise with high-end Yamaha clarinet features. The result is an outstanding entry-level instrument that delivers a warm, resonant tone that is remarkably similar to that of a wood clarinet. It features an ABS resin body with a matte finish that imitates that of a wood clarinet and an adjustable thumb-rest with a neck strap ring that allows for even those with small hands to easily hold the instrument. Adjustable thumb rest with neck strap ring for comfort and endurance . (YCL-450,450N,450M,255 and 255S models )