100% Cotton Ergonomic G-Shaped Design: 57 x 28 x 9 in. This maternity pillow specially designed for pregnant woman. This C+U shaped body pillow is comfort and following your body contour shaped, provide all-around coverage and support like back, belly, hips, knee and head. Give You A Restful Night - Our pregnancy support pillow can help you into a quality sleep, reducing interruptions all night and helping relieve back pain, hips pain, and lower back pain, as well as to promote proper sleep posture. 100% Cotton Pillowcase & Machine Washable - Pick the best natural cotton materials. And this u pillow is filled with premium polyester stuff.