PREVENTS DEFORMATIONAL PLAGIOCEPHALY (FLATHEAD SYNDROME): Flat head syndrome pertains to flat spots on the back of the skull from sleeping on hard mattresses, or from sleeping on the baby's back. The naturally curvature of this pillow promotes proper fusion of skull bones which is very susceptible at 0-12 months. SMALL AND PORTABLE - Measuring 7.48 × 10.23 inches, it's very convenient for on-the-go parents as it can be used as an insert for bassinets, infant car seats, swings, bouncer, strollers, cradles, and more. HELPS YOUR BABY SLEEP IN PROPER POSITION - The newborn head pillow is designed to allow better airflow on the neck which leads to better quality of sleep. The pillow is very soft, thus providing the amazing comfort your baby needs while still supplying the necessary support to keep your infant's head in alignment to the spine. DESIGNED WITH BABY'S COMFORT IN MIND - The baby pillow is made of hypoallergenic and bacteria-resistant memory foam that's covered with 100% soft, organic, and breathable cotton. Made with premium materials, it helps your baby achieve a more revitalizing sleep.