Quantity: 1pc Brand new and high quality Length:4cm/1.57'' Diameter:2.5cm/0.98''(approx) Material:Plastic Color:Blue/Pink/Black/White/Yellow/Green/Rose Features: 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 Package includes: 1pc Ukulele Sand Shaker(other accessories demo in the picture is not included.) Notice: 1.Transition: 1cm=10mm=0.39inch. 2.Please allow 1-2cm error due to manual measurement and make sure you do not mind before ordering. 3.Please understand that colors may exist chromatic aberration as the different placement of pictures.