The Seat Cushion is ideal for sedentary people to effectively reduce the discomfort of sitting for a long time. It helps relieve sciatica, tailbone and back pain. Premium quality. It uses Eco-friendly high-grade material and PP fabrics, it protects your spine and bottoms from catching a cold in winter. Soft and fluffy, it will not deform over time. Comfortable non-slip chair back cushion. In accordance with the dimension design of the human body, it has a non-slip bottom and strap design to keep it in place.