Product Description 1. Sports Fitness: Use our sports skipping rope to build your cardiorespiratory endurance, stamina and speed while improving muscle tone throughout your body. Good choice for boxing, MMA and cross training gym jump rope 2. Weighted skipping rope: Due to the weight of the rope, weighted skipping rope is slower than ordinary skipping rope. Slow rotations provide proper jump timing and help improve your upright posture, allowing your entire back and shoulder muscles to properly engage in the arc. Our weighted skipping ropes are suitable for beginners and experts, heavy duty skipping ropes for most ages 3. Anti-skid and anti-winding: aluminum handle, silicone non-slip sleeve design, durable, ball bearing system, avoid twisting, winding or bending like other fitness ropes, ensure stable and easy rotation 4. Adjustable skipping rope: Our rope can adjust the length of the rope according to your height