Nubwo NB-021 Gaming Chairs is all about memory foam cushions. Built on a steel frame backrest & wood-free steel base design, the screws knot tight directly on to the frames without additional attachments to the base. Included with the chair is a pair of soft neck & lumbar pillows to handle your back all day long. Be it gaming, or your regular office work, NB-21 handles everything smoothly & with comfort.