At the same time, the underside of the NUK Star leaves room for the tongue s natural sucking movements. And because it s very narrow and flat, hardly any pressure is exerted on the teeth or jaws. This means that the development of the jaw and teeth is hardly affected. A fact that orthodontists confirm. *From newborns to toddlers over 18 months old. The large selection of colours and designs will delight little ones and grown-ups alike. There are even ones with a glow-in-the-dark effect which makes them particularly easy to find at night. This NUK Soother therefore comes in a sturdy, reusable box, which keeps the soother clean and protects it above all for when you are out and about an ideal solution for stopping your baby s favourite companion becoming dirty or wet. Additionally, it is suitable for hygienic cleaning in the microwave.