bintiva Professional Grade Cable Jump Rope with Metal Ball Bearings, and a Free Carrying Case - Great for Mastering Double Unders The jump rope has professional grade metal ball bearings that keep the rope turning faster, with less friction, and avoids tangling and bending. The wire cable is very durable, and extremely lightweight, making it perfect for double, and even triple-unders Jump rope is close to 10 feet in length, and can easily be adjusted with a standard wire cutter to custom fit anyone. Jumping rope is recommended by health, and fitness professionals for weight loss, muscle toning, and cardiovascular health Includes a free elegant carrying case. Like all Bintiva products, the jump rope comes with a 100% manufacturers warranty