Enter your model number above to make sure this fits.<br />HELPS PROVIDE RELIEF FOR LOWER BACK PAIN， TAILBONE AND COCCYX PRESSURE - Elevates your tailbone to float above the seat with comfort. Promotes healthy posture through a natural lumbar curve for your spine. ComfortWise cushions promote natural relief and will make your sitting experience more comfortable in the office， airplane， train， wheelchair， or while driving.<br />PREMIUM QUALITY 100% MEMORY FOAM CUSHION constructed from space age Tempur Foam pioneered by NASA in the 1960s and 70s for seats for astronauts on rockets and spacecraft. Memory foam is high-density premium grade material that is engineered to retain its shape forever. PLUSH， VELVETY-TOUCH VELOUR COVER is removable with a small zipper and machine washable for easy cleaning to make your cushion constantly feel like new.<br />COMFORTWISE SEAT SOLUTIONS ORTHOPEDIC CUSHION PROVIDES superior ergonomic shape for maximum comfort with a firm contoured fit for any office chair， car seat， wheelchair， patio furniture， and dining room chair. Ideal for airplane travel， train seats， sports events， stadium bleachers， concerts， bus seats， truck drivers， and in your car to reduce pain and numbness from sitting for long durations.<br />FULLY GUARANTEED by our ComfortWise Seat Solutions Satisfaction Guarantee. We value you and offer a no questions asked money back guarantee. We are committed to your satisfaction!<br />3 INCH THICK MEMORY FOAM CUSHION elevates your tailbone above the seat and provides a comfortable boost to your seated experience without annoying brand logos found on most other cushions. Would you really want a brand logo advertised on your sofa cushions or office chair seat? At ComfortWise， we respect you as our valued customer.