babyjem anticholic sleeping pillow airSpecial design implemented to the head part of the product so that, it prevents the flat head syndrome of your baby. The round cylinder underneath the knees pushes the baby's legs towards her stomach, allowing her to take the fetal position. So the baby feels like she is in her mother's womb. Reflux does not occur due to inclined, your baby's food will not bother coming up from the stomack. Cover can be removed and washed. Cherry stone bag for reflux