If you suffer with back pain and have to sit for long periods these ergonomically designed cushions will ease any discomfort contoured to suit your body shape these universal cushions inflate so theyre perfect for travel for your office chair and for your favourite tv chair while offering back support they also elevates the sitting position to help improve your posture all roundeases back pain improves posturemade with a flock type outer fabricback area measures 19 x 16seat area meas