SUPPORTS UP TO 600 LB - Made of military-grade nylon for corrosion and weather resistance, each bracelet with stainless steel snap hook is rated to support 600 lbs (2) and 6 feet in length. Gain confidence knowing that reinforced bungee cords will always protect your child from injury and injury. Designed to replace any broken rope on your swing or hammock: our strong ropes arent just straps no tree hangers, but replaceable ropes or extension cords for broken swings/hammocks/hanging chairs. Ropes for short suspension systems for tall trees or beams Quick and easy to extend any swing: ideal for roller swings, outdoor hammocks, aerial yoga, hanging chairs, garden swings, tire swings, balcony door straps, classic swings and hanging swings for children and more. Robust and safe: these elastic cords have the same quality and same resistance as seat belts. Each can hold up to 660 lbs. And industrial strength steel makes the buckle nearly indestructible. Safety and fun for the whole family