Starbucks Free Refill Cup 2024. You can only get a free refill on brewed coffee or tea. Starbucks is currently selling a new reusable cup and while it will set you back $40, it comes with one heck of an offer:

The straw is compatible with the starbucks cold cup lid and most reusable cups. To get the free refill, you must drink the original beverage you paid at the starbucks store.