Improve technique with this Trainer Belt For Resistance Swimming Strap fits around your waist and has a cord attached to a ring at the back Great for improving technique, strength and endurance Improve your ability to swim in a straight line instead of weaving from one side to the other Can also be used for water running; a great way to run with low impact, ideal for re-hab Get trim in the pool with this Trainer Belt For Resistance Swimming - save 70%