Bình Giữ Nhiệt Quencher ProTour Flip Straw Tumbler | 40 OZ

I was skeptical about another tumbler, but the 40oz capacity actually gets me through an entire workday without a refill. The flip straw mechanism snaps open and closed with a satisfying click, and I've thrown it in my bag sideways without a drop leaking.

The flip straw lid is a game changer for me—I can toss it in my work bag without worrying about leaks, and the 40 oz size actually gets me through a full shift without refills. The straw snaps open smoothly with one hand, which matters when I'm driving. Honestly, it's made me drink way more water th

Filled it to the brim, tossed it in my work bag sideways, and not a single drop escaped thanks to that flip straw lid. The 40 ounces actually lasts me through a full shift without a refill, which is exactly what I needed.