Gain awareness of your body with this 4M Swimming Training Tether Choose from black, yellow, blue and red  Perfect way for adding resistance into your swimming training Comes with an adjustable nylon belt Band features velcro fastening  Attach the elastic tether onto the belt and fasten onto the pool's ladder  A must-have for anyone wanting to improve their swimming  Improve your kicking by concentrating on your hip/leg movements when stationary swimming Up your training difficulty with this 4M Swimming Training Tether - save 60%