ITEM NAME:Double-row Shaker Volume Sand Rattle for Musical Percusison Parts Description: - Double volume sand shaker for drummer performance. - Can be used as a musical instrument accompaniment. - Double row of sand tubes can be rotated and separated into a single sand tube. - The filling particles in the sand tube are medium-sized, the tone is moderate, and the decibel interval is 79-81DB, which is suitable for use in small performances. - Material:Plastic Size Chart: Approx. 170 x 80 x 4mm / 6.69 x 3.15 x 0.16inch Package Included: 1 Piece Double Row Sand Shaker.1 Piece Double Row Sand Shaker. - Double row of sand tubes can be rotated and separated into a single sand tube. Size Chart.