TKO Massage Grip Jump Rope 9 feet of extra durable, professional strength PVC rope; perfect for all experience levels, Use it for any kind of jump routine Designed handles are contoured to massage the hands as you jump, as well provide a better grip for those high intensity speed training exercises Featuring precision metal ball bearings helps to prevent Tangling of rope and a consistently smooth and effortless swing motion Easily incorporate it into your cardio, Cross fitness or any calorie burning exercise program to get more out of your workout Take it anywhere, workout everywhere; 15 minutes of Use burns approximately 170 calories