Please note, this item ships from an international seller. Expected delivery is 10-15 days. Octagonal shaker with and built-in aluminum shell can produce clear and high as accompaniment music, which can easily cut through a mix in live performance or in the studio. It's octagonal shape and large chamber space makes the resulting sound brighter and easier-to-control than traditional round shape shakers. It's a perfect gift choice for both beginners and professionals. Features: Octagonal shape provides sharp and angular corners for the internal filling to against, which makes the resulting sound sings with a clearer, higher than traditional round shape shakers. Aluminum inner shell with flat and angled surfaces can deliver a great to high tone, which makes the shaker produce a bright sound that can easily cut through a mix in live performance or in the studio. The shaker can shape virtually any piece of music because it's highly sensitive to your hand movements so your deliver will come through with fluidity and clarity. With large chamber space for the filling inside to move around freely, the accented rhythms is easy to be controlled. The shaker is suitable for beginners, percussionists and drummers. The is determined by the shaker's length, so provide 4 kinds of shakers with different lengths for your option.