Non-slip handle - The ergonomic handle is equipped with soft, non-slip memory foam for a perfect grip and more comfort Incorporated in PVC - Jump rope made of wire steel embedded in PVC, wear-resistant steel cable, strong, durable, stable and non-floating, for the longest service life and avoid damage, the wire rope can ensure a long service life and prevent wear MAXIMUM PERFORMANCE - Integrated rotating ball bearing system to ensure the jump rope spins quickly and smoothly without twisting or tangling during exercise FREE ADJUSTMENT - The length of the adult jump rope can be easily and quickly adjusted to 3M-2M depending on the height. You can adjust the length of the rope quickly and easily by adjusting the buckle. Suitable for all ages