Designed to grow with your child, all Hegen containers are easily converted into straw cups by simply attaching our straw spouts onto the containers. Available in blue, pink, or grey, the Hegen Straw Spout enables easy sipping for your child. Perfect for toddlers or children transitioning from bottle to sucking a straw! Recommended for children aged 9 months and above or toddlers transitioning from feeding bottles to straw cups! *New straw spout is not compatible with the previous version of Upper Straw.