They are professional trombone which are not easy to deform, durable and practical to use for . With good working performance, these trombone are proper for students, professional trombone players and beginners, can help your trombone have a good sound, fit your demands. Features - Color: Red -Material:ABS - Size: 3.60X3.60X8.00cm/1.41X1.41X3.14in - The trombone is safe and durable for long time using, will not deform or break easily. - Simple structure, light weight, tiny size, the trombone can be easily installed without spending too much effort or energy. - These for trombone is made by professional craft, not easy to crack when you are using, you can use rest assured. - Come out with a good sound for your trombone, proper for both professional and beginners, very practical and professional. - Small size, convenient to take to wherever you want, the replaceable for trombone can satisfy your requirements better. Package list: 1 x trombone