Ergonomic: Memory foam seat cushion for even weight distribution - long-lasting seating comfort Pressure-relieving: Chair cushion with U-shaped recess - relieves pressure on coccyx - sit straight Material: Coccyx cushion made of memory foam - perfect adaptation to body - with cooling gel layer Versatile: Gel cushion for office chair, wheelchair, car and more - with carry handle to transport Cover: Soft plush cover is removable and washable - with non-slip underside for a secure grip