McCarty’s Ergo Comfort-Rider. Unsurpassed soft luxurious comfort and support creates the optimal pressure-free seating surface in any vehicle. The ergo Comfort-Rider has a unique anatomically contoured top surface designed to distribute your weight for proper support and comfort and a reverse-contour bottom to securely fit most vehicle seats. Uniquely contoured molded vehicle seat cushion evenly distributes body weight. Suitable for many home and office chairs.Portable, fits most autos, trucks or SUVs, even airlines and train seats and is easy to take with you wherever you go. Generously proportioned size. Perfect companion to the ergo-Curve Cush backrest. Optional coccyx cutout. Relieves pressure and helps to support your back reducing overall fatigue. Made from the newest generation of high density visco elastic memory foam, comfort-ease is both anti-bacterial and anti-fungal, offering peace of mind, as well as comfort and support. Made in the USA. 5 year warranty.