Features: 1. PVC Rope: Features durable and smooth, ensures the maximum service life and avoids cracking or breaking.2. Fast & Smooth: The jump ropes has anti-dust ballbearing system to keep more durable and stable, you could easily swing the skip ropes by 360rotation.3. Replaceable Rope: We enclosed you both a long rope and ball skipping rope, which allows you to easily adjust the length of the rope to the ideal measure compatible with your height and training experience.4. Cordless Skipping Rope: Cordless jump rope can rotate 360 degrees, fast rotation and tangle free, not need to worry about hitting your legs or tripping. Keep you away from danger and disrupted while working out.5. Auto Count: Automatically counts for easy viewing of records. Promotes high caloric expenditure, helping to lose weight. Perfect for indoor and outdoor workout. Note: Kids should use this product under the adults' supervise. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Material: ABS, PVC, steel wire Size: As followsLong rope-3mRope diameter-4.5mm Battery: included Color/Style: As the picture shown