RELIEVE NECK AND BACK PAIN: The ergonomic contoured design perfectly supports and aligns your head, neck, and shoulders. The slopes conform to the shape of your head and neck to support them, reduce pressure on your cervical spine and vertebrae, relieve neck and shoulder pain and discomfort, allowing you to fall asleep faster, sleep deeper, and improve your sleep quality. ERGONOMIC CONCORE DESIGN: This pillow is designed with scientifically ergonomic contours, ideal for back, side, stomach, and other different sleeping positions. It provides support for your sleeping habits. DOUBLE INNER AND OUTER EAR COVER: The pillow's inner and outer covers are made of 100% polyester fibers. This pillow has a breathable inner cover, effectively extending the life of the memory foam core. The outer cover is skin-friendly, soft, and breathable, and is removable and machine washable. Do not wash the memory foam core; instead, store it in a well-ventilated space away from direct sunlight. Store the pillow in a cool, dry place away from direct sunlight. HIGH-QUALITY MEMORY FOAM PILLOW: This pillow is made of high-quality, high-density memory foam. The pillow's height adjusts to your sleeping position, head size and weight, body size and weight, and shoulder width (for side sleepers), ensuring it remains at the most comfortable level. It is soft and supportive, allowing you to sleep comfortably and protect your neck and shoulders.