Higher designed head part of the bad prevents baby from reflux and prevents the baby from plagiocephaly. Outfit can be washed with warm water. Prevent gas pains with its foot support. Keeps your baby in the right position with the security band. It does not restrict your baby's freedom of movement. 0 - 4 months old babies can fit in. Gives comfort to the baby like she/he is in the womb. High quality designed for babies to sleep in day time and nihgt time. This comfort increases sleeping hours and reduces sleep divisions. 0+ usage Multi usage areas such as; cradles, beds, playgrounds, during visits etc. Easy to carry.