Supports up to 600 lbs - made of military grade nylon, corrosion and weather resistant, each bracelet with stainless steel carabiner is designed to support 600 lbs (2) and a length of 6 ft. Take confidence knowing that the reinforced bungee cords will always keep your kids safe from harm and injury Design to replace any broken rope from the swing or hammock: Our strong ropes should not only be the hanging tree straps, but also the replaceable swing/hammock/hanging chair ropes that have been broken, or the extension cords. short suspension system ropes for the tall tree or beamQuick and easy way to extend any swing: perfect for roller swing, outdoor hammock, aerial yoga, hanging chair, to the garden swing, the tire swing, the strap balcony, the classic swing tree swing and the hanging swing seat for children, etc.Strong & Safe: These elastic cords have the same quality and resistance as seat belts. Each can hold up to 660lbs. While industrial strength steel makes the buckles nearly indestructible. Safe and fun for the whole family