The contour design of the pillow is proven to help support & align your head, neck, shoulder, and back, keeping it in a stable position. This effectively reduces stress on the spinal cord and cervical vertebrae, thereby relieving neck and shoulder pain to help improve your sleep. Big Size: 24 * 14.1 * (3.93-4.72) in. This memory foam pillow has 2 different height contour sides. Flexibility to choose your own comfortable sleep contour side (Low contour or high contour). The pillow keeps its shape after regular use. It won't change its softness and stiffness due to external temperature. Comfort for Side, Back, and Stomach Sleepers. You will fall asleep faster and deeper. Portable removable zippered pillowcase for machine washing or hand washing. Memory foam is known for its supportive comfort and superior pressure relief as it disperses your weight more evenly than traditional pillows. Unique contoured design provides the right ergonomics to naturally support your head while aligning your neck and shoulders. Providing natural spine alignment, and fully relaxing your muscles. You will fall asleep faster and deeper. Try it for a new level of comfort when sleeping. This neck support pillow is very suitable for older people, office workers, teachers, and those who suffer from sleep disorders. If you have chronic cervical spondylosis, the delicate neck support pillow will be the optimum choice for providing comfortable sleep and relieving the pain in the cervical vertebra. The outer pillowcase is made of 100% cotton (not polyester fiber), which provides more breathability and softness, keeping you comfortable all night.