The rounded shape of the Happy Teether by Bella Tunno provides easy grip from any angle. The silicone material and beaded design give the right amount of resistance to sore gums and newly developed teeth. Soothes gums during teething Easy grip for little fingers Size: 4.5" diameter Recommended Age: 0 months+ Materials: 100% FDA Approved Food Grade Silicone BPA Free PVC Free Phthalate Free Dishwasher Safe Microwave Safe