Features:-The seat cushion is low at the front and high at the back to adapt to the shape of the body. With hollow design, the ergonomic seat cushion reduces pressure on the sciatic nerve and relieves painful hemorrhoids.-Made of high-density and breathable memory foam, which slowly rebounds and keeps the prototype intact. -Non-slip design (with raised dots) on the bottom, making it difficult for the cushion to slip off the chair or sofa. -With the side hand strap, easy to carry, can improve sitting posture anytime, anywhere and relieves back, leg and hip pain caused by poor sitting for long periods of time.-Suitable for office chairs, living rooms, wheelchairs, etc. It is ideal for outdoor sports activities, car drivers and travelers. Specifi.