Made of Metal , light-weight and . Simple design, fix in hand of an adult. A good gift for kids or music lovers. Easy to carry - a mini musical instruments that you can take it out of your pocket. A good companion for - guitar, ukulele, violin, piano keyboard and many other musical instruments. Easy to use - simple structure, no need to learn music while playing, no need to recite music score, even no need to practice. Material: Metal Color: As shown Package contents: 3 x kazudi 30 x flute membrane 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.