1.Dust-proof bearing 2.360° low noise rotation, durable and stable in use, smooth swing without twine. 3.Adjustable rope length The rope length can be adjusted freely according to your need. 4.Bold PVC with embedded wire rope makes the product durable and reliable in use, and helps to speed up the skipping.5.Double layer EVA foam handle, comfortable and breathable. 6.Each piece of iron weighs 81.5g, increases the training intensity. 7.Lightweight, durable and comfortable handle, easy to grasp and carry.