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, ...

The top rack is safest for reusable and dishwasher-safe plastics, such as water bottles, tableware, cutlery, baby bottles, plastic chopping boards, and acrylic glasses. In most dishwashers ...