Trek タンブラー

This thing keeps my iced coffee cold all day, even when I leave it in a hot car. The 50oz size means I only have to fill it once for my whole shift.

I was skeptical about the straw lid, but it really does prevent spills in my car cup holder. The double wall insulation keeps my coffee hot for hours during long morning meetings.

I’m on my third day of using it at my desk and the ice from this morning is still clinking around at lunchtime—double wall insulation really does its job. The straw lid snaps shut firmly enough that I tossed it in my bag without a drop leaking. 50 ounces means I finally stopped making trips to the b