DUOMI Exercise Fitness Speed Skipping Jump Rope with automatic Counter and Comfortable Handles sponge rubber Perfect for you and your children. There are black clips at the end of the handles. Simply loosen the rope from the clips and shorten or lengthen it; no need to cut the cord any longer. It's so easy that kids can do it within seconds! The rope is easy to adjust to your desired length. At the end of each handle is a plastic circle piece that unscrews. Pull the rope up through the handle and tie its end in a loop at the desired length, so the knot stays in the handle. The handles are hollow with ends that can unscrew; they will not fly off as you are jumping rope. Assist you to burn fat, lost weight, beauty body and keep healthy, which is not subject to space constraints, height limitless Jump rope for women, kid: Suitable for all ages and all level jumpers