Hanging Boxing Training Reaction Ball(White Black) The product is shipped based on the color or size of the main image of the product page. Colour:white black 2021 updated version Anti-leakage & Anti-cracking Design: Boxing ball adopting rubber thickened inner bladder, anti-concussion, anti-leakage.The punching ball made of 2 layers of quality textiles inside and PU leather outside ,is practical and hard-wearing and offers incredible touch & feel. Super-Elastic Rope: Speed training ball comes with high elastic hanging rope,with strong extension and high elassticityLength can be adjusted freelyAdjust the tightness of the rope to control the speed of the ball rebound Flexible fitness helper: this speed Ball that's effective exercise hand-eye coordination, reaction speed. Universal Speed Ball: Suitable for MMA , fighting, boxing or daily training of reaction, accuracy, agility, endurance, etc.