This is a trombone mute device. It is made of high-quality ABS material. The mute function is powerful and can be used for a long time. It has good acoustics, beautiful shape and fine workmanship. It is a good product that will not disturb people.<br> Features<br> -Material: ABS<br> -Can effectively help you change the sound quality, reduce noise and overtones.<br> -The usage method is simple and easy to use, you can use it with<br> -Practical trombone accessories, you can practice the trombone without making noise for others.<br> -Practical mute can reduce the tone of the trombone and effectively reduce the sound.<br> -You can this efficient and practical small mute at an .<br> Package list: 1 x sordine Note: 1.Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 369 hours Hope you have a pleasant shopping experience!