Heavy Jump Rope - weighted jump rope is heavier than standard jump rope, it can help you to exert more energy and build your muscle. It's a great tool to improve your strength and exercise or physical fitness training. High Quality - Workout rope is made of polyester rope with a soft rubber handles. It is recommended to WEAR GLOVES before exercise to avoid palm blisters or calluses. Benefits - Improved coordination, agility, footwork, quickness and endurance. Burn a significant amount of calories and can be effective for increasing strength and promoting weight loss.Strengthens the shoulder/rotator cuff and increases flexibility Mix It Up & Workout Anywhere-throw the heavy duty ropes in a backpack and ride your bike around with them. Perfect for indoor or outdoor core training whatever the weather.