360° rotation is convenient for you to quickly change position and move around on a flat surface. This chair has a combination of PU leather and mesh surfaces, making it easy to clean in frequently touched areas. While ensuring your back and hips don't get stuffy when sitting for long periods of time, and the resilient seat cushion provides you with long-lasting support. The metal chassis of this office chair is reinforced and is 0.4mm thicker than other chassis on the market. It is also equipped with a ClassIII gas cylinder, tested by SGS and BIFMA, which makes the seat more stable and extends its service life.The back of this computer chair has been cleverly designed with a slightly curved back to fit your seat position and give you lasting support. And the front of the seat cushion is thickened to allow your leg muscles to relax. The package comes with components such as backrest, seat cushion, armrests, metal chassis, gas cylinder, legs and wheels etc, as well as an installation tool that allows you to easily complete the installation in 20 minutes. Sure, two people will be faster.