The IceFlow™ Flip Straw Tumbler | 20 OZ

Finally a tumbler that doesn't leak in my gym bag—that flip straw seals perfectly. The double-wall insulation kept my iced coffee cold through a whole practice.

I've been tossing this tumbler into my gym bag every morning and the leakproof flip straw is a lifesaver—no spills even when it gets knocked over. The double-wall insulation keeps my water ice cold through an entire workout and practice session.

The flip straw seals tight enough to toss in my gym bag without a drop leaking. Ice still clinks around after a two-hour practice in the car. Exactly what I needed for busy days.

I've been using this tumbler for my morning commute and the double-wall vacuum insulation actually keeps my iced coffee cold for over an hour, which is a huge win. The flip straw is so convenient to open one-handed while driving, and it hasn't leaked a drop in my bag.

That flip straw being leakproof is a game changer for tossing it in my gym bag without worry. The vacuum insulation actually keeps my water ice cold through a whole practice session.

Kept my iced coffee cold for over six hours during a hot afternoon on the sidelines, and the snap-shut lid didn't leak a drop in my bag. The built-in straw is way more convenient than fumbling with a separate one.

Finally a tumbler that doesn't leak in my gym bag—the snap-close straw is a game-changer. Keeps my water ice cold through an entire practice too.

The flip straw mechanism works exactly as described — stays shut tight in my gym bag with no leaks at all. Ice cubes were still intact after a two-hour practice, which is way better than my old bottle managed.

I was skeptical about the leakproof claim, but even after tossing it in my gym bag sideways, not a single drop escaped. The flip straw is super convenient for quick sips between sets.

I was skeptical about the straw staying clean, but the snap-close lid is so satisfying and truly leakproof in my gym bag. The double-wall insulation keeps my water ice-cold through a whole practice.