New Baby Banana Baby Sharky Brush is bendable and is made of 100% medical grade solid silicone. This brush includes infant teether and toddler training toothbrush in one. Baby Banana Baby Sharky Brush can be used by infants up to 24 months. 100% medical grade solid silicone makes the brush soft, safe, and flexible. Open loops in tail fin are perfect for attaching a binky strap (not included). Easy to grasp in numerous places for easy teething. Gently massages teeth and gums. Develops good oral hygiene habits early.