Our Little Wonders Colling Teethers aredesigned to soothe sore gums, whilst developing hand to mouth co-ordination. They are made from a non toxic EVA material filled with carbon filtered, UV treated & ozomized water. * Suitable from 4+ months * Long lasting & easy to clean * May be cooled in the fridge * Soothe sore gums * Assists hand to mouth development * Non PVC Material * Made from non toxic EVA material filled with carbon filtered, UV treated & ozonized purified water