Help your baby soothe his gums. The Ali and Oli Silicone Train Teether Choo Choo Train will make your baby feel much better during the teething process thanks to its texture. Its shape makes it fun for your baby to have. How to keep it away from germs? Our modern pacifier leashes are the answer to that. And for you to keep it clean use warm soapy water. Do't worry about safety because all of them are made of 100% food-grade silicone.