Prevents air intake. As long as the baby does not absorb the bottle does not flow from the bottle, does not flow. Prevents gas formation. For babies with slit lips, cleft palate. Down syndrome, for infants with Pierre Robin syndrome. This bottle prevents the air intake and allows the baby to feed more easily. As long as the baby does not absorb, it prevents milk flow and provides sealing. It also helps to prevent gas formation. Medela slit is specially designed for babies with cremals and slit palate. It can also be used to meet the nutritional needs of babies with Down syndrome and Pierre Robin syndrome. Thanks to these features, Medela slit palate bottle can be an option to support the nutrition of babies healthy and smoothly.