The baby works babys 1st pillow offers maximum support to help your baby sleep comfortably. The airflow treated open-cell memory foam is specially made to prevent flat-head syndrome by absorbing and distributing the weight of babys head evenly. The babys 1st pillow is ideal for use on the floor, bouncy seat, car seat or swing! As part of baby works, the babys 1st pillow comes with a hypoallergenic fitted pillow case, made using rayon from bamboo fibers, which is soft and gentle, keeping the pillow cool and comfortable.