Mesh Fabric: This pillow is supportive and FIRM, NOT SOFT - If you spend +8 hours a day in a seated position, this comfortable pad is just right for you. It provides additional support you need to maintain good posture and the natural curve of the spine. By evenly distributing weight of the body, it offloading pressure on the spinal discs. The ergonomic design helps to increase blood flow, prevents pain in the lower back, helps with muscle fatigue, leg tightness, hamstring. It allows you to sit upright naturally without pain - Measuring 17.7"x 13.8"x 2.8", the butt support pillow comes with a removable and breathable black mesh cover, that provides great air circulation and allows you to sit without feeling hot or sweaty. The non-slip rubber base of the pad securely keeps it in place. The cushion insert is made from Slow Rebound Memory Foam that conforms to your individual shape and helps to avoid pressure. The handle is a