Improves cardiovascular fitness. Suitable for all fitness and skill levels. Durable nylon rope. Anti-tangle bearings. 9-foot rope. The Importance of Jumping Rope: Jumping rope is a heart healthy exercise with a number of other benefits beyond reducing the risk heart disease. It can also help to reduce high blood pressure and promote weight loss. Another great benefit is the effect it has on preventing osteoporosis. (Northrup, Christiane, M.D., The Wisdom of Menopause, copyright 2012.). Product Benefits: Efficient overall body workout; improve cardiovascular fitness; tones upper and lower body muscles; improves coordination balance (Baechle, R. Thomas and Earle, W. Roger: Essentials of Strength Training and Conditioning.); weight loss. Made in China.