The Happy Teether is easy to grip from any angle and gives the right amount of resistance to provide pain relief for early teeth. It is a silicone teether that will soothe sore gums and provide sensory stimulation. -Size: 4.5" diameter -Easy grip for little hands -Non Toxic, Food Grade Silicone -FDA Approved, CPSIA Compliant -Free of BPA, PVC, Phthalates -Easy to clean: wipe clean with soap and water. Dishwasher safe. 0-6, 6-12, 12-18, months toddler.