A mothers nipple adapts perfectly to a babys mouth that is why the new improved nuk first choice teats replicate a mothers nipple whilst breastfeeding the feeling is not only pleasant for babies the soft nipple easily takes on different shapes whilst also promoting the development of the mouth lips and tongue the teats feature the special orthodontic asymmetrical nuk shape an extra wide lip support and new extra soft tip to fit babys mouth perfectly simulating breastfeeding as cl