MALOUF Z Horseshoe Pregnancy Pillow - Supportive U-shaped Body Pillow The flexible design is versatile, allowing for customized support where you want it. Back and belly support makes side sleeping comfortable by following the natural curves of the body to alleviate strain or maternity discomfort. Ergonomic shape helps relieve pain by gently cradling the head while supporting the neck. The soft, consistent filling does not shift or clump and has a luxurious down feel without odors, allergens or sharp quills. Super-soft rayon from bamboo velour cover (75% polyester, 25% rayon from bamboo) is hypoallergenic and easily removable for laundering