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@BethTerry Hi Beth! According to the box it came in, it is made from polypropylene (which it goes onto describe as the safe food grade plastic). Is that true based on your research, or is that just part of the marketing sizzle?
2 years, 7 months ago on Starbucks Trash: Behind the Scenes
Try a KeepCup. These are reusable cups that are "Barista Standard." They should fit under any Starbucks machine.