Features: PVC coated braided steel cables, durable and wear-resistant. Comfy memory foam handles, anti-slip and sweat-aboring. Ballbearing system ensures stable and avoid to twisting, increasing the speed. Portable and lightweight, you can using in indoor or outdoor. Not only use as workout jump rope, but also for funning with friends. Smooth and Fast: the ball bearing system avoids the twisting, winding or bending like other fitness ropes, it ensures stable and relaxed rotation, as our skipping rope can bear heavy load, which brings your a perfect exercise of skipping rope, also provides the best fluency for elite fitness professionals. Sports Fitness: our exercise skipping rope can shape your cardio endurance, stamina and speed, while improving the muscle tension of your whole body. Adjustable Length: it can be adjusted quickly according to your height. Suitable for adults and children. Rope length can be adjusted freely. Suggestions on rope skipping: It is recommended to wear shock-absorbing sneakers during exercise to protect the soles and heels. Skipping makes the muscles of the legs more beautiful, which a more relaxed exercise way. Stretching must be done after you finish skipping, so you can beautify the muscle lines and relieve muscle soreness If you have any questions, please contact us immediately, we will do our best to help you solve. Length Adjust Steps of Jump Rope: 1.Unscrew the cover. 2.Loosen the safety lock(make it separate) 3.Then the cable is freely adjustable. 4.Final adjust to deserved length and cut off or fold and tick the extra part back into the handle (freely adjust you want ) Note :The Llife authentic jump rope must be from the shop Llife .not other shop.