Material: Nylon Fabric Color: Black Size: Approx.41 x 39cm Package included :1 x Seat Massage Back Cushion PadFits almost any seat. Quick and easy to install. Made of unique mesh fabric that allows airflow for personal comfort. Attached by elastic bands with enable pefect adjustments. Helps align your spine and improve your posture. Raised nodes provide a massage feature. Gives lower back support， aligned， neutral spine and relaxed shoulders Ergonomic lumbar support system.