I bought the rope for their own training. Just top notch I have to say. Very smooth running, perfect adjust without problems. The felixible use in all places, the bag as transport and storage can store it and use anywhere. Meanwhile, I put it in both the training during Fitnesss in athletics workout as well as in physical education with Schülern.Die can only be amazed at what they provide for benefits. The price-performance ratio is right. Prefer to invest a little more money and a first-class rope have- without twisting, without curl or tie it and perfect to store. So does jumping rope fun and Records tumble. Madness! 5 Stars and I empfehlees on. Buy more pre-programmed!