Dr. Brown"s Orthees Transition Teether - Light Blue Designed by a pediatric dentist to safely ease pain during teething. Dr. Brown"s Orthees Transition Teether massages sore gums and relieves mouth pressure during teething.Features:Safely eases pain during teethingHelps jaw to develop as baby transitions to biting, chewing and speech.Freezer safeAppropriate for babies ages 3+ months.