High QualityAll parts are made of 304 stainless steel, providing a more stable, stable and safe suspension. Due to the special hardening process, all of these materials have good corrosion resistance and toughness. High StrengthThe suspension spring set can withstand 250 kg, which is very suitable for all your requirements of heavy load. The spring can reduce the impact force and prolong the service life of the parts. Super ComfortThe spring set provides cushioning and shock absorption effect, which makes people feel more comfortable and softer, and reduces noise and impact. MultifunctionalHigh quality stainless steel spring set is suitable for indoor and outdoor use and can be used for hammock chairs, swings , sandbags, aerial yoga, etc. Easy to AssembleIncludes 1 spring + 1 360 degree rotating ring + 2 spring buckles