1. Silicone arc base and PVC music board, the material is light and strong. 2. The silicone base adopts an arc-shaped clamping groove design, which is plug-and-play and practical and convenient. 3. The music score is fixed by magnetic suction, which is simple to operate and easy to carry. 4. The music score can be used in both horizontal and vertical directions, and the 6 adhesive iron sheets are compatible with A4 or A5 music scores. 5. Suitable for trumpets, saxophones and other with a diameter of 9-15cm. Colour:Black Material:Silicone and PVC Package Contents: 1 x Sheet Music Stand Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.