หินทราย

The triple-wall insulation actually does what it says—my iced tea stayed cold through a whole afternoon of errands, which never happens with my old cups. The 14oz size is perfect for the car cup holder too, no spills on the drives.

Drinks stay cold through my whole shift, and the 14oz size fits perfectly under my desk’s cup holder. Triple-wall insulation actually works—my morning coffee was still warm at lunch.

I've been using this tumbler on my commute for a week now, and the triple-wall vacuum insulation is no joke—my iced tea still had ice cubes after a full afternoon of errands. The 14oz size fits perfectly in my car's cup holder, which is a huge plus.