The air foam chamber provides a realistic feel. The rounded design allows for easy movement around the target and increases cardio, footwork and hand-eye coordination. The POWERCORE™ energy transfer ring absorbs shock and reduces base movement and slippage. The high-density base can easily be filled with water or sand (approximately 1.5 m). 113 kg with water, 168 kg with sand). The solid base provides an easy-to-hit target, thus maximizing your training. Height adjustable from 54 to 65 inches. Not recommended for outdoor use.