About this item This fits your . Make sure this fits by entering your model number. Hollow design: This memory foam cushion adopts a hollow (18*10cm) breathable design to increase air circulation and reduce pressure on the buttocks. Ergonomic design: It fits the hips and reduces the extrusion of the tail vertebrae. The front-end groove design allows the legs to be placed naturally, reducing pressure and promoting blood flow in the lower body. High-quality material: The product is made of space fast-rebound memory foam, which can effectively cushion and withstand heavy air pressure and release pressure. Therefore, even if sitting for a long time, it is not easily deformed. Helps you heal faster: With cushion, a sciatica, putting pressure on your spine and coccyx greatly suppresses your natural ability to heal. It will support your body’s recovery. Equipped with cloth cover: The cushion cloth cover is made of mesh fabric, with a thin texture, clearly visible mesh, comfortable hand feeling, full of elasticity, and good air permeability.