1.Durable & Adjustable Length This jump rope is made of steel wires that are coated with strong PVC material, making it durable even after a long time exercising. Its adjustable length design enables you to customize the length according to your needs, making it suitable for everyone, no matter for kids or adults.2.Jump Fast & Jump Smoothly Built-in with high-quality ball bearings, the skipping rope provides you with smooth jump exercises. It supports fast jumps while protecting you from any potential tangles, satisfying your needs for safety and convenience at the same time.3Perfect for Exercise Fitness Workouts, cardio training, Jumping Exercise, Cross fit, Skipping, MMA, Boxing, speed training, Calves, thigh and forearm strengthening, leg training, and endurance training. Using our jumping rope will give you a full-body exercise that effectively burns calories, helps you lose weight and keeps you healthy.4Ergonomic Foam Handles The ergonomic handles are well designed for your safety and convenience: they are covered with soft sponges, which makes the handles comfortable to hold. And the anti-slip & moisture-wicking features also keep your palms dry, making your every exercise comfortable and safe 5100% Satisfaction GuaranteedWe are based on customer satisfaction. If you have any questions about our jump rope or service, please feel free to contact us, we offer unconditionally free replacement for any quality problems and try our best to provide you with the best shopping experience.