Adds extra cushioning for the long hours that you spend driving on your vehicle or working at your office. It has a high-tech innovative layer with hybrid memory foam that takes all the pressure off your tailbone, sciatica nerve, lumbar, and lower back. Cooling effect is good, sitting will not feel hot If you feel stiff and sore after sitting, or experience tailbone, Coccyx or back pain, enjoy relief with this comfortable, supportive seat pillow. | VOGREX Orthopaedic Memory Foam Seat Cushion Coccyx Pain Relief Office in Black