This teether is provided with crinkle paper on the inside, which ensures that the little ones will discover. With these two simple minimalist materials you stimulate the motor skills of your little one without overstimulation. It is light and easy to hold for the young babies. In addition, its composition is particularly nice when teething. It is precisely the difference in hard and soft structures that can provide pain relief. *The diameter is about 10 cm. *The product is CE certified (EU safety directive).