concept : A story - telling and concept learning idea, extends the use of teether, and creates a parent-baby bonding moment. BPA - free material: silicon teether is indicated for incisors and is therefor suitable for babies. The little silicon bubbles massage the gums and it is very lightweight for baby holding. Uniquely shaped : reaches baby's back of mouth perfectly. Lightweight design and curved handle makes it easy for small babies to hold. Can be sanitized with sterilization, microwave, dish-washer safe and dryer safe.