Description: Feature:They are light and convenient, easy to carry, and excellent in performance. Suitable for band accompaniment to help people exploring music Appliction:The Percussion Heel Shaker is very suitable for playing the rhythm of the concert, playing the rhythm yourself or music class. Usage:Play to your favorite tune, or just change the beat of fun. Material:the ball is produced by high grade material,resistant. versatile: shakers are a quintessential instrument for adding rhythmic color, whether you're playing with a band, group, large ensembles, or recording in a Studio. Size Chart: 16.5cmx6cmx7.5cm/6.50inchx2.36inchx2.95inch Package Includes: 1 foot shakers Note: Please allow slightly errors due to manual measurement and different monitors.