Flash Fundamentals Mid-Back Padded Task Office Chair with ArmsWhen it's time to hit the books to study for that upcoming exam, this swivel desk chair fits perfectly under dorm room desks. The mid back chair is upholstered in LeatherSoft material that blends leather and polyurethane for added softness and durability. The lever controls the seat height and when pulled out allows you to rock and recline. Turn the tilt tension adjustment knob located underneath the seat to increase or decrease the amount of force