AA Products Gaming Chair High Back Ergonomic Computer Racing Chair Adjustable Office Chair with Footrest, Lumbar Support Swivel Chair - BlueItem DimensionsOver all Dimension: 21. 6'' x 20'' x 51'' ~ 55''Size of Backrest: 18" W X33. 6" HSize of Seat: 21. 4'' W x 20'' LSeat Height: 17. 7'' ~ 21. 7''Item Features This Ergonomic chair made of breathable premium PVC leather with freely adjustable lumbar support and headrest pillow. With Pull out footrest, You can nap on the chair like on the bed. The high backrest and shape of the Racing chair ensure proper alignment and support of your spine