1、Composed of high grade ABS material, sturdy and durable for long term use, which high strength and not easy to break. 2、Bright solid color, greatly reduces the visual sway phenomenon while ball rotating, maintains good balance and correct flight orbit. 3、Maintain hitting center of gravity, so that you can keep the original accuracy and improve control of the ball. 4、Has great elasticity, support it bounce to desired height, which increases the stability and accuracy of the ball in flight. 5、Applicable to professional table tennis training or amateur activity. Features: Composed of high grade ABS material, sturdy and durable for long term use, which high strength and not easy to break. Bright solid color, greatly reduces the visual sway phenomenon while ball rotating, maintains good balance and correct flight orbit. Maintain hitting center of gravity, so that you can keep the original accuracy and improve control of the ball. Has great elasticity, support it bounce to desired height, which increases the stability and accuracy of the ball in flight. Applicable to professional table tennis training or amateur activity. Specification: Material: ABS Size: 4*4*4cm/1.6*1.6*1.6in Package Included: 6 x Table Tennis Balls 1 x Storage Box