5BILLION Speed Jump Rope - Nature Handle - Adjustable with Ball Bearings - Workout for Double Unders, WOD, Outdoor, MMA & Boxing Training Ergonomic Non-slip Handles- The Jump rope has a handle with grooves in it for your thumb and index finger to rest, which makes grip comfortable. The sweatband allows you hold your rope without concern about it slipping down. Easily Adjustable- This Exercise Training Rope comes with a fully adjustable 10 ft long cable. Appropriate for all ages and for any calorie- burning workout program. Hit Double Unders- Pro Ball Bearings and ergonomic handles help you keep a high momentum and reach extreme speeds up to 320 jumps per minute. Professional for MMA Training, Mastering Double Under Bodybuilding, Boxing, Cardio Exercises, Personal Training Equipment. Easy To Carry- The jump rope is perfect for Home Gym and Outdoor Workouts. It's a workout tool for anyone traveling, or anyone who spends a lot of time on the road. High Quality Construction- Nature Handle Jump Rope ( 10 ft long, 0.14 inch in diameter ) + Extra Cable( 10 ft long, 0.14 inch in diameter ) + Anti-abrasion Tube + Free Carry Bag Burning calories and keeping good shape Improved cardiovascular function Enhance flexibility and coordination Relieve cervical lumbar pain Relieve stress and improve mood