If you suffer with back pain and have to sit for long periods this ergonomically designed cushion will ease any discomfort contoured to suit your body shape this universal cushion inflates so its perfect for travel for your office chair and for your favourite tv chair while offering back support it 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 measures 20