Ergonomic Design: The 360-degree contoured U-shape simultaneously supports the head, neck, back, belly, hips, and knees.Functional Alignment: It is specifically engineered to help maintain a healthy side-sleeping posture, keeping the spine aligned and reducing pelvic pressure.Plush Fabric: The exterior features a premium, soft velvet zippered cover that is fully removable and machine-washable.Multi-Purpose Use: Beyond sleeping, it transitions easily into an upright support cushion for reading, watching TV, or elevation during postpartum breastfeeding.