This is an office chair with a unique shape. The backrest and seat cushion are filled with a whole piece of sponge. It is very comfortable to sit on. The warm design style can be placed in any space you want. It can be rotated by 360 degrees and flexible rollers. You can move freely, and you can easily get nearby items without getting up. The free and easy design allows you to lie down comfortably when you are tired at work and quickly recover your work energy. The control lever can easily adjust the height of the seat and thicken it. The protection of the backrest by the steel tube makes the chair durable