The ergonomic design perfectly fits your head, neck, shoulders and spine to provide optimal support. It is suitable for various sleeping positions. You can sleep on your back, side or stomach. Made of memory foam, it has high density and slow rebound, which helps it regain its shape, thus extending its service life. The pillowcase is made of fiber fabric, which is breathable, soft, smooth, skin-friendly and comfortable. It is equipped with a zipper, removable and machine washable. Two different heights are available for you to choose from, allowing you to select the right height according to your sleeping position. | Havendro Memory Foam Neck Support Pillow for Neck Shoulder Pain in Grey