This professional jump rope has 2 different functions. The dual-rope configuration allows users to change between non-rope jump and rope jump with this skipping rope. Not only as outdoor sports but also can install a weighted foam solid ball to simulate a real skipping rope as indoor sports. You can exercise anytime and anywhere.Our jump rope has double ball bearing system avoids the twisting, winding or tangle like other fitness ropes, it can rotate 360 degrees that ensures smooth and fast rotations, which brings you a perfect exercise of skipping rope and does not affect the surrounding people.