The gel material in this pillow has low-temperature properties. It can keep cool regardless of spring, summer, autumn or winter, providing a comfortable sleeping environment. The combination of high-density memory foam and gel can effectively relieve neck pressure, provide better support for the head and neck, and help improve sleep quality. Environmentally friendly gel and high-quality memory foam are used, which are odorless and more in line with health and environmental standards. It is a safe and reliable green product.