Product description: Main material: Polypropylene (PP) and nylon Size: as shown Color: Black Seat form: high-density elastic sponge Chassis: thick steel plate, safe and explosion-proof PU universal wheel, silent and anti-skid Chair material: mesh Handrail type: fixed armrest Type: office chair, ergonomic chair, conference chair, training chair, swivel chair, bow chair Five-star foot material: steel feet Function: can be raised and lowered The lift of the seat can be adjusted to make your choice more comfortable. The ergonomic design enables us to appropriately reduce fatigue. With it, you will be able to enjoy your office life more. Product introduction: This is a multi-purpose swivel chair, which can make you more comfortable in the office, and also let you enjoy the thrill of computer games on the computer. Even if you sit for a long time, you will not be backache. Back pain. The most important thing is that this swivel chair is affordable and of superior quality.