Need to correct your sitting posture? The Nicer Furniture Kneeling Chair is for you. The kneeling chair promotes healthier positioning for your body which relieves your spine of the compression when sitting in a office chair. With comfortable fabric seat and knee rests this chair will allow you to sit in a position that encourages better breathing through your diaphragm and increases blood circulation. Restore your body''s natural posture with this ergonomic kneeling chair. Seat height adjustment available to accommodate different seat heights. Comes with dual wheel castors that prevents from scratching the floor. Product Specs Seat Size: 15.5"W x 12"D Knee Rest Size: 17.75''''W x 10"D Seat Height: 20'''' - 24"H Overall Dimensions: 17.5''''W x 26.5''''D x 20'''' - 24"H