Advance Coccyx Plus Seat Cushion with Memory Foam Orthopaedic Seat Cushion for Relief from Lower Back, Sciatica, Tailbone, Back Pain (Black/Grey) Special Feature Durable Colour Black: Seat Cushion Size UltraSoft: CoccyxPlus Fill Material Memory Foam Shape Wedge Age Range (Description) Adult Recommended Uses For Product Travelling, Sitting Use for Back Material Pure Memory Foam COMFORTABLE MEMORY FOAM SEAT CUSHION: The Grin Health cushion is the best memory foam seat cushion made with its breakthrough design and premium quality durable memory foam. SUPERIOR SACRUM POSTURE SUPPORT WITH NEW IMPROVED THERAPEUTIC DESIGN: The New Cushion's elevated rear design provides optimal sacrum support and is the best cushion design on the market to promote a ergonomic sitting throughout the day. New curved design provides pain relief from back pain or numbness from sitting, sciatic relief, tailbone injuries, sciatica and other spinal issues. ASSISTS IN SCIATICA LOWER BACK PAIN RELIEF AND RELIEVES PRESSURE FATIGUE: Our ergonomically designed seat cushion provides comfort while reducing pressure. Superior to U-shaped cushions our new design relieves hip pressure by hugging the thighs and minimizes leg numbness with its tapered front allows the tailbone and spine to be balanced for weight distribution. GREAT FOR OFFICE CHAIR, DRIVING, TRAVELING, WHEELCHAIR AND MORE USE EVERYWHERE: Great for office chair, home, travel, car seat or wheelchair use. GRIN HEALTH ALL-IN-ONE: features NON-SLIP bottom, BUILT-IN HANDLE for easy transport and Climate Control-Airflow, Highly breathable mesh cover that allows maximum airflow to keep you cool and comfortable and machine-washable zippered cover for EASY CLEANING.