【COMFORT SEAT CUSHION FOR OFFICE CHAIR】If you need keep sitting 8 hours+ a day for work in a seated position, our memory foam seat cushion is just right for you. It provides extra support you need to maintain good sitting posture and the natural curve of the spine. It allows you to sit upright naturally without pain because It offloads pressure on the spinal discs by evenly distributing weight of the body. It helps with muscle fatigue, leg tightness, hamstring. ♥【PURE MEMORY FOAM OFFICE CHAIR CUSHION & HEAT RESPONSIVE TECHNOLOGY】Qutool office chair cushion combines 100% memory foam and heat responsive technology to correct your sttting posture and keeps you supported while sitting for long time. Soft yet firm, our memory foam seat cushion adapts to the contours of your body to create a com.