Create tension with the ideal workout tool that you can use anywhere, anytime, in just minutes a day! All you need is a little space to begin a safe, effective total body conditioning program. The patented Xertube™ offers progressive resistance levels for multiple uses and fitness levels. Allows for isolation of targeted muscle groups and full range of motion exercise. Ideal for group exercise and traveling. All Xertubes™ available with soft or hard handles. Unless specified by customer, yellow Xertubes™ come with soft handles, all other colors come with hard handles. Comes with free Instruction Chart – 1 per order.