If you don't have much space, this is an excellent option. Double Cords provide a full range of motion and imitate exercises done on cable weight machines. Power Systems produces all of its resistance tubing utilizing a proprietary layering technique that increases longevity in commercial or institutional environments. Tubes are joined by a 10.5-inch nylon anchor strap, which can be held by a partner or affixed to a fixed object, such as a doorjamb. Six resistance levels are available for any user, whether they are an experienced athlete or new to fitness training. Plastic handles with padded grips are 36" long. It contains latex.