The flat shape prevents pressure points from occurring or the dummy from falling out of the baby's mouth. Senza BPA; sterilizzare nel microonde con la custodia riutilizzabile; fatto in Germany. The NUK Air System allows air to escape, so that the teat remains soft and flexible in the mouth. 100% of orthodontists surveyed confirm that the NUK dummies do not cause jaw or tooth misalignment*. Improved NUK original shape, which is modelled on the mother's nipple and fits perfectly into the mouth when the baby sucks on it. The flowing, heart-shaped mouth plate with star-shaped, heart-shaped or round openings makes a lot of fun during the day and helps with the gentle luminous effect that the dummy can be found quickly and easily even at night.