[1]Built-in with high-quality ball bearings, the skipping rope provides you with comfortable jump exercises. It supports fast jumps while protecting you from any potential tangles, satisfying your needs for safety and convenience at the same time.[2]No matter you’re women or men, kids or adults, beginner or an experienced person, you can start jumping ropes anytime and anywhere.[3]Fast and Smooth: The jump ropes has anti-dust ballbearing system to keep more durable and stable, you could easily swing the skip ropes by 360°rotation.[4]Adjustable Length : The Jump rope designed 9.8 ft and fit for all women, men and kids, easy to adjust that you can cut the excess according to your heights.[5]easy-to-use exercise jump rope set for rope skipping fitness exercise is effective for everyone, from beginners to certified personal trainers.