Design: This teether is right-sized for little hands, with built-in handles, and textures to help with developmental growth while satisfying the baby's need to soothe tender gums Material benefits: Designed with BPA free silicone to provide a strong, yet soft biting experience Development: Mouthing helps babies explore the world using their senses to learn about texture, taste and temperature and build muscles they will use later in life for eating and speaking