Cover Fabric: 68% Cotton+27% Nylon+5% Spandex Symmetrical U Shape: The u shaped pregnancy pillow is 55 x31 x7 , ergonomic design drapes along your body, gives total support to your head, back, hips and legs. Consistent left and right makes it easy to flip over at night. Ensures long quality sleep Silky soft: So soothing. The maternity pillow comes with breathable silky cover. It s stronger and softer than cotton and gentle on skin, moisture wicking, offers long lasting comfort. The cover is machine washable, easy for cleaning Cool to touch: The only pillow you ll ever want next to your skin.