Contour Memory Foam Pillows- Are you always feel neck cramps or back pain all day? Especially tired of neck pain and uncomfortable waking up.Our ergonomic pillow for sleeping does help to reduce neck and shoulder pain, as well as snoring. Our memory foam pillows have 4 different heights sizes (24*15*3.54inch/4.72inch/4.33inch/5.52inch L*W*H)to meet your requires.The high area,a-4.72in / b-5.52in,The low area,c-3.54in/ d-4.33in.Please refer the photos.