Olive green silicone mouthpiece guard for trombone, with replacement parts. - Color: Olive Green - Material: Silicone - Included: Replacement parts (black) - Features: Mouthpiece guard for trombone I bought this but didn't use it, so I'm selling it. Completely unused. ----------------------------------------------- (Excerpt from the website) ⚪︎ Industry-first! Equipped with a silencer capsule mechanism. Various functions with one mute by changing 3 types of capsules. Practice with sound-dampening functions that suit your environment. ⚪︎ Convenient to carry as it can be stored in the bell (※May not be storable depending on the bell shape and case shape) ⚪︎ Ultra-lightweight & high strength! Achieves lightweight and high strength with a special structure that can only be realized with a 3D printer. ⚪︎ Sound-dampening capsule... A capsule with a high sound-dampening effect, it can be as quiet as a person's speaking voice. The resistance during performance is strong, but it has a sound-dampening effect so strong that you won't hear it unless you pay attention, even if you practice in the next room. ⚪︎ Playing feel-focused capsule... A capsule that pursues reducing resistance during performance. The sound-dampening effect is moderate, but it is close to the playing feel without a mute, and is ideal for daytime practice when you don't have to worry about the neighbors. 【Volume Reference Values】● Without mute (open): 78～108dB ● Sound-dampening capsule: 52～77dB ● Playing feel-focused capsule: 58～84dB ● Tone-focused capsule: 56～77dB ※ Measured 1.5m from the instrument ※ Since these are measured values during actual performance, there are variations in volume. ※ Measurement values may vary depending on the distance and environment, so they are for reference only. 【Product Name】QooMute (Kuu Mute) for bass trombone 【Included Items】Mute body, 3 capsules (sound-dampening capsule, playing feel-focused capsule, tone-focused capsule), instruction manual 【Size】Height 170mm x Depth 137mm x Width 137mm 【Weight】Weight 128g ※ Excluding capsules 【Country of Manufacture】Japan 【Raw Materials】Body: Vegetable resin Attachments/Capsules: UV-curable resin, cotton Sponge part: Chloroprene rubber sponge ※ Due to the nature of being made with a 3D printer, there may be scratches, air bubbles, or discoloration, but there is no problem with the quality, so please be aware of this beforehand.