Every single one of the pros I talked to for this story said that not only are ceramic, glass, and stainless-steel options better ... All the travel mugs on this list have temperature retention ...

I’ve been in the market for a new travel mug since I left my Stanley on the ... Specifically, I wanted something with a locking cap, made from stainless steel and ideally under $30.

Before these smart devices, stainless steel was a popular choice ... are more expensive than a regular mug and likely more ...