3 months & up. The Chewy Chums Character Teether Set is made of fun, eye-catching designs, sure to grab your baby's attention! Made of 100% super soft silicone, these character pieces offer multiple teething surfaces to soothe tender gums and stimulate the emergence of new teeth. Lightweight, teethers are designed to make it easy for little hands to hold. Set of 3 includes 1 of each design; Red Helicopter, Teal Whale, and Gray Shark. Dishwasher safe, top rack only, or hand wash with warm, soapy water. Can be boiled or steam sterilized. teethers measure approximately 6.5"L x 4.75"W x 3"H.