The Quencher ProTour Flip Straw Tumbler | 40 OZ - Stanley Create

I was worried the 40oz size would be too bulky to tote around, but it fits my car cup holder perfectly. The flip straw actually seals tight when it's snapped down, which is a relief since I toss it in my work bag daily. Ice still clinking around after a full afternoon shift.

The flip straw mechanism is a game changer for me—it actually locks tight, so I can toss this in my work bag without worrying about leaks. The 40oz size means I’m filling it up once in the morning and still having ice by mid-afternoon.

Took this on a long road trip and spilled zero drops in the cup holder, even over potholes. The 40 oz size genuinely lasts me a full workday, and the flip straw snaps shut with a satisfying click that feels secure.