- Natural latch on due to the wide breast shaped nipple. The wide breast shaped nipple promotes natural latch on similar to the breast, making it easy for your baby to combine breast and bottle feeding. - Unique comfort petals for an extra soft and flexible nipple. Petals inside the nipple increase softness and flexibility without nipple collapse. Your baby will enjoy a more comfortable and contented feed. - Innovative twin valve design reduces colic and discomfort by venting air into the bottle and not baby’s tummy.