545
Regret.
(slrpnk.net)
Alt text: Meme caption: "When you forget to bring your reusable bags to the grocery store", below is an image of Dexter from Dexter's laboratory weeping as he strokes a picture of the earth, saying "I have failed you!"
There's really not that much plastic in a plastic bag.
There's more plastic in a happy meal toy than most bags.