Features: Capacity Reductparticlemail: This ABS horn quiet reduces playing capacity by 30% to 40%, allowing for practice lacking disturbing neighbors while maintaining tone standard. Carbonated drink Usemail: Features a crowded spongiform connection for a tight, easy installation on the horn port, and ensures smooth ventilation lacking compromising sound standard. Permanent Substancemail: Produced from wear immune ABS polystyrene, this horn quiet is strong, permanent, and immune to damage. Protective Planumberebog: The soft spongiform connection is scratch immune, providing excellent security for the horn horn during use. Excellent for Novicesecond: Thin and transportable, this horn quiet is a ideal present novices, facilitating they to practice freely and enjoy their musical journey. Specifications: Substancemail: Polystyrene + Spongiform Accommodates forebog: Horn Package Includes: 1xTrumpet Mute note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item.