The TurfCordz Jump Belt reaches new heights in athletic training by strengthening leg muscles to enhance vertical leap. The TurfCordz Jump Belt includes an adjustable belt that fits up to a 26in/75cm waist and tow 30in/75cm rubber tubes connected to foot straps. No removable components or replacement parts. Not Interchangeable. Available in five resistance levels. Yellow has 5 - 14 lbs if resistance.