1Made of high quality nylon, quite strong and durable, not easy to break. 2Two heads come with ring bearing, convenient for you to hang the buckle. 360cm, 120cm, 150cm and three colors for you to choose, meet your different needs. 4Delicate workmanship with good texture, easy and safe for you to use. 5Suit for mountaineering, rock climbing, ice climbing, rescue, engineering protection and other outdoor activities.