The tumbler itself is dishwasher-safe, but the lid and straw aren't. The straw is also made of plastic — it's BPA-free, but a plastic part might defeat the purpose of a glass water bottle entirely.

Starbucks tumblers are durable, as long as you handle them the way you're supposed to. Can they be cleaned in the dishwasher, ...

as the minerals in hard water can leave scratches or etching on glass. Many glass and plastic wine glasses are dishwasher-safe, saving you the time of washing them by hand. To get the best ...