Collegiate Trek Tumbler

The double-wall insulation actually keeps my coffee hot through back-to-back meetings, and the tapered bottom fits snugly in my car's cupholder without wobbling. Flip lid seals tight enough that I've thrown it in my bag sideways with zero leaks. Two straws in the box was a nice bonus I didn't expect

Taking this to class every day and the tapered base fits right in my car's cup holder, which is a huge win. The double-wall insulation keeps my coffee hot through a two-hour lecture, and the flip lid hasn't leaked once in my backpack.

The flip lid actually seals tight enough that I tossed it in my backpack with a half-full drink and not a drop leaked. Double wall insulation kept my coffee hot through a two-hour lecture, and the two straws are a nice backup.