ooZeeki IsoStrength Complete Body System Muscle building and toning device that allows you to perform Isometric and Isotonic routines Made of the highest quality tubular webbing and padded handles for maximum comfort. Three different handle settings. Target muscle groups without the use of free weights and heavy equipment. No door jam or overhead bars are needed. Portable with durable carrying case so you don't miss the gym when on the road The device instead cradles your own body for all routines. Features Cutting-edge shock cord technology for maximum resistance.