Akuku water teether heal the pain during teething. A specially shaped surface provides a gentle massage of the gums. Supports the development of the child's eye-hand coordination. Easy to grip and hold in the baby's hands. Do not have sharp edges. Made of safe and durable materials. Cool only in a domestic refrigerator. Do not put in the freezer compartment. Before first use and afterwards, wash with a brush with a mild detergent in warm water. Then rinse and dry. Do not boil, sterilize, pour boiling water over it!