High-quality materials: the spring hanging chair is made of steel, has good ductility, not easy to deform and has a long service life.Spring design: the spring coil wound in the middle can reduce the vibration caused by floating objects.Quantity and size: there are 2 hanging chair springs with a thickness of 7 mm and a load capacity of 500 kg, which is convenient to carry and use anytime and anywhere.Easy to use: There are hooks on both ends of the hammock spring. One end is connected to a sturdy object and the other end is connected to the hanging object.Scope of application: used for hanging chairs, hammocks, sandbags, swings, etc. and can also hang other similar items. It is a must have for hanging items.