Yakimasport Speed Training Band Model II 100170 Properties: a training tool to optimize acceleration and speed training creates resistance for the exerciser we can attach one part of the belt to the goal post or fence instead of to the player, which will enable solo training helps build dynamic strength easy to use for use on the pitch and in the hall includes rubber protection with a straitjacket perfect for various sports disciplines rubber length - 3m maximum extension - 7m Color: black