PRESSURE RELIEF: The ergonomic seat cushion is made of thermoactive memory foam. This pleasant material reacts to your body warmth and adapts to your body shape. The pillow only yields where pressure is applied and always finds its way back to its original shape.GEL LAYER FOR COMFORTABLE SITTING: Gel coating cools the seat and prevents unpleasant build-up of heat. With anti-slip cover for stable sitting on the office chair and at home.PREMIUM PROTECTIVE FILM: The memory foam is surrounded on the seat with a water-repellent protective film, which protects the memory foam from penetrating moisture. This means that the ergonomic seat cushion is durable for a long time.ERGONOMIC DESIGN: The Steibeinkissen has a special design. It is designed in such a way that your stone leg can float freely over the U-shaped recess so that it is less stressed when sitting.FREE EBOOK INCLUDED: Permanently strengthen your back. Order now and receive 5 effective exercises for a strong back as an ebook for free.