• High - strength Buckle: High - strength buckle, resistant to cold and high temperature, not easy to break. • D - ring Buckle: D - ring buckle, can hang glasses, keys and other various convenient items. • Precise Sewing Thread: Made of high - strength tough nylon sewing thread, tightly sewn, not easy to break or come off, firm. • High - strength Buckle: High - strength buckle, resistant to cold and high temperature, not easy to break. • Paracord Zipper with Metal Teeth: Paracord zipper with metal teeth, smooth to pull, no jamming.