PREMIUM MATERIAL - The jump rope is made of thickened steel wire coated with PVC to ensure faster jumping velocity and better whole body exercise effect. Built to last for long term use and no need to worry for easy breaking any more. TANGLE FREE DESIGN - The skipping rope is crafted with 360-degree ball-bearing system to ensure effortless and tangle-free jumping experience. Super smooth swing without any twisting, winding or noise any more. ANTI-SLIP HANDLE - The handle of the speed jump rope is covered with soft cushioned memory foam for maximum comfort and slip-resistant for tight grip. The inner foam is damp-resistant, odor-resistant and sweat-absorbent. 2 carrying bags are included to ensure easy storage and transport. ADJUSTABLE LENGTH - The length of the skipping rope cable is 110inch and adjustable according to your height, which makes it easy to fit both adults and children, perfect for consuming calorie, losing weight and building body shape. Great for gym, boxing, cross training or daily use. 100% MONEY-BACK - If you, for whatever reasons, do not like our adjustable jumping rope within 30 days, please feel free to contact us and we will, within 24 hours, arrange a full refund or a replacement without any questions asked.