The Pro Form Deluxe speed jump rope is suitable for general fitness, boxing, cross training & effective cardio workouts & helps to increase calorie burn & bone density & improve balance, coordination, agility & breathing efficiency. This lightweight & portable fitness accessory is easily adjustable up to 270cm (107'') to fit users of different heights. The rope offers a poly-vinyl cord for enhanced durability, as well as Sure-Grip handles to ensure a firm, yet comfortable hold.