Jump Rope - by Boson Sport - Speed Rope for Exercise and Fitness &ndash; 9' Adjustable Cable Length &ndash; Ideal for Crossfit, Boxing, MMA Adjustable Length - you can easily adjust the size depending on your needs, which makes it the perfect jump rope for both adults and kids. Maximum length of the cable is 9 ft. High Quality Materials - made from durable nylon with a wire inside assembly,which makes it very easy for use and works great on different surfaces. Comfortable Grip - specially designed handles made of foam that prohibit excessive sweating of the hands, preventing the rope from slipping out of your grip. This makes exercise easier and more fun. Cardiovascular Exercise - jumping rope is perfect for all age groups, from kids in elementary school to senior citizens. It will help you achieve your fitness goals and have positive impact on your cardiovascular system. Guaranteed Investment - if your rope arrived damaged for any reason at all in the next 30 days, we'll send you a new and free jump rope with 2-day Amazon Prime shipping. We stand behind our product quality so our rope comes with 30-day money-back guarantee and a 5 year product satisfaction warranty.