Supports your pre-term newborn's ability to breastfeed. - Nurtures instinctive latch and breastfeeding action - Helps release natural digestive enzymes - Supports mother-baby bonding - Air-vent adjusts to your baby's feed rate - BPA-free biocompatible soft-silicone teats Carefully supports your pre-term (34 weeks+) newborn's instinctive ability to latch, feed and swallow. Minbie supports your preemies ability to breastfeed and nurture your milk-supply.