[Stainless steel material]: This spring hanging chair is made of 304 stainless steel and provides a more stable, smoother and safer suspension. Even if used for a long time, it can prevent rust. [Safe and reliable]: The high-quality spring hanging chair is designed for children and adults, with a weight 250kg spring load. [Rotary Design]: Rotating design makes it more flexible to use and can be widely used. With the help of the spring hanging chair, you can easily and safely hang the hammock and the chair on the springs. [Hanging chair accessories]: 1 x hammock hardware spring, 1 x 360° rotatable hook, 2 x carabiner. The two large carabiner hooks simply hook into the holes in the spring, so any bracket and ceiling mount can be used. ✔Multi-function]: A steel spring hanging chair high quality stainless steel can be used for hanging chairs, hanging chairs, hammocks, sandbags, outdoor swings and aerial yoga on the balcony. Feature: The material of this system is very strong steel. Rust