Extend the life of your Swingball with this replacement ball & tether. This adjustable tether can be used with the Classic Swingball, Classic All Surface Swingball, Pro All Surface Swingball, Ultimate All Surface Swingball and Championship All Surface Swingball. This high quality tennis ball is easily fitted. Tether measures 1 metre 40cm. Adjustable tether  Quality tennis ball Easily fitted Certified original replacement Ages 6+ years