Most of the sippy cups and straw bottles on the market have hard plastic spouts or rubber spouts. The Thinkbaby straw bottle comes with a soft silicone straw. This makes it perfect for the advancement to the next stage in feeding.
The straw features a cross cut design so they do not spill when held upside down, which obviously happens…quite often. The top of the bottle features a easy to close cover to keep it from coming into contact with foreign substances.