Come and see our amazing products. The ball bearing system avoids the twisting, winding or bending like other fitness ropes, high quality premium ball bearing, it ensures a smooth and effortless spin making it the perfect addition to any calorie burning workout. The braided steel wire rope is coated with PVC,braided wire rope is coated with PVC.which features durable and smooth, ensures the maximum service life and avoids cracking or breaking. This kind of jumping rope is great for cardio training and a fun way to get in shape fast. Allowing you to burn calories and get in a great workout skipping or jumping. Pls confirm with us about the packing info, stock color and exact production time before placing your order.