The Yamaha YCL-255 is a newly redesigned Bb Clarinet with a matte ABS resin body, nickel-plated silver keys, 65mm barrel, and an adjustable thumb-rest with strap ring. It ships with the CL-4C mouthpiece.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 the look 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.The new adjustable thumb-rest accommodates different sized hands, which helps the player develop proper playing technique. In addition, a strap ring allows for the instrument to be held without extra effort. Firmer screws and silver soldered ring gives this new feature excellent durability. The YCL-255's new bell made of solid and durable ABS resin results in a lighter instrument with improved response.A resonance chamber in the bell aids in projection and improves intonation in lower notes. The 65mm barrel is based on high-end Yamaha clarinet designs helps to produces a focused tone.The attractive matte finish simulates the actual grain of wood while providing the added durability of ABS resin. The YCL-255 also features Valentino padsh, which are durable, easy to repair, and less sensitive to temperature changes.