Comfortable Thick Cushion: The cushion and backrest of this rolling office chair are made of high-density foam cushion, which is not only comfortable but also has high resilience.; Flexible Design: The office chair is designed to use a more flexible, 360 ° swivel rotatable task chair to move more freely; adjustable height computer chairs are suitable for many spaces, such as bedrooms, study rooms, nail salons, vanity dressing rooms; Stable Frames：Armless office chair is designed with crossed metal base. Thereare 5 sturdy feets with wheels which can be easy to move anywhere in your house. It can bear up to 285LBS.; Height Adjustable & 360° Movement: This computer desk chair with height adjustable function, suitable for different heights of desks; This 360° swivel chair comes with smooth casters glides quietly and smoothly without harming the floor