A jump rope is a simple piece of exercise equipment consisting of a long, flexible cord with handles on each end. It is used for a physical activity called jumping rope, where a person swings the rope over their head and jumps over it as it comes down. This activity can improve cardiovascular fitness, coordination, and agility. Jump ropes come in various materials, including plastic, cotton, and leather, and can be adjusted for different lengths. They are popular among athletes, fitness enthusiasts, and children, making them a versatile tool for both fun and exercise.