Designed for babies aged 3 months and older, the Bright Starts Chill & Teethe Water-Filled Teethers set includes three soothing teethers that help relieve gum discomfort. The water-filled design allows for safe cooling in the refrigerator, providing gentle relief during teething. Each teether is ergonomically shaped for easy grasping, promoting fine motor skills while offering effective comfort. This set supports your baby's natural development with safe, practical relief from teething pain.