Innovation, quality, and trust have made Kensington The Professionals Choice in ergonomic accessories for more than 20 years. The Kensington Premium Cool-Gel Seat Cushion provides ultimate ergonomic comfort and support for sitting in the office, home or car. Constructed with patent pending materials, and certified for durability, the Premium Cool-Gel Seat Cushion features a durable and supportive ergonomic design that maximizes comfort, promotes healthy posture, and minimizes contact between the tailbone and seat cushion.