【Two Height Designs】The size of the cervical pillow is 36*60*13/10cm(about 14*24*5/4inch). The 13cm height pillow is the best pillow for side sleepers, the neck support pillow supports the cervical vertebra, and the shoulder and neck areas are designed on both sides. 10cm is suitable for supine sleeping position, specially designed to conform to the curvature of the cervical spine, allowing the cervical spine to maintain a normal curvature and relax at night 【High-quality Memory Foam】The Neck Pillow is made from a soft polyurethane material that is warm and slow to rebound. The slow rebound feature allows it to return to its original height after 5 seconds of pressure, making it less likely to collapse after a long night's sleep 【Skin-friendly and Breathable Pillowcase】The surface of the memory pillow is designed with honeycomb holes to keep away from stickiness and heat and keep your head fresh. The pillowcase is designed in grey-white to get rid of the monotony of solid colors 【Neck Support Design】The pillow is ergonomically designed, and the protruding extension part is specially designed to support the cervical spine, suitable for lying flat 【Neck Pillow】Good Nite neck support pillow will be the best gift for health and quality. Family members, elders and people who need quality sleep are the most suitable candidates