Black posture correction cushion made of mesh material, with lumbar support and adjustable height. - Color: Black - Design: Mesh material - Features: With lumbar support cushion - Adjustment: Height adjustable - Intended use: Posture correction Thank you for viewing. This type can be used as an abdominal exercise machine by placing your feet on the bar. There are scratches on the area of photos 3 and 4, but otherwise, it is in good condition.