This is a jump rope that can increase the weights freely. There is a weight block in the handle of the skipping rope, which can be removed freely. The handles of our skipping rope are comfortable and non-slip and adapt well to the hand muscles. So your hands wont get sour for a long time when you jump, so you can train for a long time. Our skipping rope has 4 counting modes: accurate counting of count, miles, kilometers and calories. So you can know your movement size completely. Our skipping rope is 3m long, and the length can be adjusted freely and easily. They can be easily adjusted by hand to the appropriate length. There is steel wire rope core inside and PVC outside, making it solid and durable. Whether its children, students or adults, this skipping rope can help you get a healthy and good figure while jumping. Skipping rope is an aerobic exercise suitable for most people. Fat burning efficiency is higher than running and swimming. Product Material: PP