Features: 100% brand new and high quality. Composite steel balls inside musical sound with the movement of your hand. Useful to train at your pace. A great thing to develop and improve your smart music. Suitable for every music fanatic. Polished handlebar is smooth and soft adjustable auto strap. Specifications: Material:Plastic Color: Blue/Pink/Black/White/Brown/Green/Rose/Red Length: 4cm/1.57 (approx) Diameter: 2.5cm/0.98 (approx) Quantity: 1pc Package includes: 1pc Ukulele Sand Shaker Note： Please refer to the measurement. Tiny measuring error is allowable in normal range. There might be a little color difference due to the monitor camera or other factors please refer to the physical item.