Swan Pillow Side Sleeper Auxiliary Pillow U-Shaped Pillow Lumbar Pillow Sleeping Protection SpineExperience unprecedented comfort and support with our comfortable memory foam pillow. Designed for those who seek quality sleep, this pillow uses high-density memory foam material and uses body temperature sensing technology to precisely fit the curve of the head and neck to provide optimal support and comfort. Main Features: Ergonomic Design: The unique wave-shaped design fits the head and neck, evenly dispersing pressure, effectively relieving tension in the shoulder and neck, helping to improve sleeping posture and reduce sleep interruptions. Memory Foam Material: High-quality memory foam can automatically adjust its shape according to body temperature and weight, providing tailored support. Whether you sleep on your back, side or stomach, this pillow can adapt perfectly. Good Breathability: Specially designed ventilation holes ensure good air circulation, keep the pillow dry and fresh, and reduce the trouble of overheating and humidity. Removable and washable cover: The included cover uses soft bamboo fiber fabric, which is comfortable to touch and has antibacterial function. The cover is removable and washable for easy cleaning and ensures long-term hygiene.