New. Pet free smoke free. No stains or damage. cushion lab pressure relief seat cushion. No box Patented shaped by in-house ergonomists, the Ergonomic Seat Cushion is scientifically designed to reduce sitting and hip pressure while improving sitting posture on any chair. Proprietary extra-dense charcoal memory foam is odor resistant, and provides cloud-like support for all-day sitting comfort. • Office or Working From Home Instantly add enjoyable bottom cushioning to any chair to relax hip muscle and improve posture. • Driving Enjoy comfy cushioning with every drive without fatigue. • Grippy Bottom Secures the cushion against your chair, removable in seconds.