Straight mute for Bb trombone that reduces practice volume while maintaining a clear, focused sound. Compact, durable, and easy to use for rehearsals, warm ups, and travel. Key benefits Lower practice volume: Helps reduce trombone sound so you can practice without disturbing others. Practical straight mute tone: Produces the focused, attenuated sound typical of a straight mute for common practice and performance applications. Durable and smooth: Made of PP (polypropylene) with a sturdy, wear resistant surface for reliable everyday use. Easy to use and portable: Simple to insert and remove, compact size makes it easy to carry and store. Features and compatibility Compatibility: Fits Bb trombone instruments. Material: PP (polypropylene), sturdy construction and smooth finish. Size: 13 cm x 4.2 cm x 6 cm (5.12 inch x 1.65 inch x 2.36 inch). Package includes: 1 mute. Practical use scenarios Home practice: Reduce volume for late night or early morning practice sessions in apartments or shared housing. Classroom or rehearsal hall: Warm up or practice quietly without interrupting others in a shared rehearsal space. Travel and portable practice: Carry in your case for onthego practice or quick warm ups before performances. Simple, reliable, and compact, this straight mute provides an effective solution for quieter trombone practice while remaining compatible with Bb trombone instruments.