If you are looking for the most natural feeding option for your baby through a bottle, the Peristaltic Plus Nipple is the best option you have. The nipples allow the baby to latch on to the areola easily and naturally. The peristaltic tongue movement is supported by these nipples, making it easy for the baby to feed. The shape of the nipple also allows for easier swallowing of milk. Air Ventilation System reduces the intake of gas among babies which helps prevent colic. The nipple is the best transition you can give to your baby from your breast to the bottle.