Featuring precision ball bearings for speed and smoothness of rotation you'll soon be building up your jump rope speed. The rope is made of PVC covered steel wire for durability and the length can easily be adjusted to suit your needs. It is designed to improve your agility and balance and is great for burning fat. It improves cardiovascular fitness and tones muscles all over. 300cm long skipping rope. Precision ball bearings for speed and smoothness of rotation. Rope is made of PVC covered steel wire for durability.