This black and white teething ring was designed with purpose! The rounded shape of the Rainbow Happy Teether provides easy grip for little fingers from any angle. The silicone material and beaded design give the right amount of resistance to sore gums and newly developed teeth. Made with 100% FDA approved food grade silicone that's BPA-free, PVC-free and Phthalate-free. Dishwasher safe and freezer safe, wipe clean with soap and water. Measures 4.5 inches in diameter. Suitable for ages birth and up.