Soft silicone beads will feel great on those gums! Round wooden rings make great noise. Silicone bead teether features natural untreated maple rings. Silicone beads - made from food grade silicone and 100% FREE of BPA, PVC, Phthalate, Cadmium, and Lead. Wash with mild soap and air dry. Do not soak in water. **Please be sure and monitor your child while using for signs of wear or breakage.