3 meters high elastic, 6 meters after stretching,5 meters high elastic, 10 meters after stretching,8 meters high elastic, 16 meters after stretching,10 meters high elastic, 20 meters after stretching,15 meters high elastic, 30 meters after stretching,20 meters high elastic, 30 meters after stretching,Including steel wire after stretching 3 meters,Including steel wire after stretching 5 meters,Including steel wire after stretching 6 meters,8 meters after the steel wire is stretched,10 meters after the steel wire is stretched,15 meters after the steel wire is stretched
