Stability and comfort for your bump and back. The Boppy Side Sleeper Pregnancy Pillow keeps you comfortable in the doctor-recommended side sleeping position. Signature stretch panel keeps pillow in place while sleeping, lounging, or sitting as your belly grows. The Boppy Side Sleeper Pregnancy Pillow gives you back and bump support at the same time. Two connected pillows stretch around you to provide all-around support. The pillows will not spread out of place during the night because they are connected by the unique stay-put design. Perfect for those mamas who are not used to sleeping on their sides. The Side Sleeper Pregnancy Pillow keeps you from rolling on your back or stomach, so you stay on your side.just as the doctor recommends. The thoughtful design saves space, helps you to stay on your side when sleeping, provides maternity support for your bump and back, and grows with your changing body. It is the perfect pregnancy pillow if you are trying to leave a little room for your partner while getting used to sleeping on your side. The Boppy Side Sleeper Pregnancy Pillow holds your sides when sitting giving your baby bump a little more support to alleviate pressure while lounging on the sofa or sitting up in your bed to read or create your online baby registry. Sitting with the Side Sleeper also adds comfort postpartum to hug your sides after birth. The jersey knit pillow cover stretches to fit as your body changes. The pillows and the pillow cover are both machine washable, so it is easy to keep clean. The Boppy Side Sleeper Pregnancy Pillow is part of a full line of Boppy maternity pillows designed to support the varying needs of pregnancy. All pregnancy pillows support pre- and post-birth and help you get comfortable while sitting or sleeping. Eboni S. Hollier, MD, FAAP (Mommy MD) says, This pillow provides great belly bump and lower back support and in turn may reduce round ligament pain..