Using high Johnny dragon rope.it will not break with violent pulling! The surfaces is coated with coating.which does not fade or age under sunlight and rain. It remain as new even after long-term use and is firm and not loose Reinforce and wrap both ends of the rope to wear and pillings; The edges of the buckles rounded and polishing.without hurting the hands 4 color optional to choose from.with a practical design paired with eye-catching color Unlock N gameplay modes with a single rope.doubling the practicality directly. ​ Reinforce and wrap both ends of the rope to wear and pillings; The edges of the buckles rounded and polishing, without hurting the hands