PVC & nitrosamine free! Multi-textured surface encourages teething and helps first teeth break through. Soft and sturdy silicone soothes tender gums. No separate parts or hard components. Hypoallergenic and non-porous. 100% silicone. Size: 3 months +. Our first priority for growing babies is to make sure everything they put in their mouths is healthy, safe and promotes the development of a strong immune system.