Originally Posted by UNivek
What green stopper things? I did a quick search and didn't see any hits.
Sorry should have been a little more clear - at Starbucks you can get a stopper or plug that fills the lid opening which reduces spillage in the car. If you havent seen them, just ask for one next time you go through the drive thru. I drink my coffee black so they tend to fill it to the brim.