BRCC COTUS 30 Oz Tumbler
It's made with BPA-free components and designed to fit in any standard cup holder. The 30-oz. COTUS Logo Tumbler is rated to keep drinks hot for three hours or cold for over 50 hours. It comes with a clear shatter-proof slider lid.
This 30-oz. tumbler is good enough for the POTUS's desk, so it's probably good enough for yours too.