The IceFlow™ Flip Straw Tumbler | 30 OZ - Stanley Create

I was worried the straw might leak, but the snap-shut lid seals perfectly in my gym bag. The 30 oz is the perfect size to get me through practice without refilling.

I love how the flip straw clicks shut so securely—I tossed it in my gym bag without a single leak. The vacuum insulation keeps my water ice-cold even during a two-hour practice.

I’ve been taking this tumbler to the gym for a week now, and the flip straw is so much easier than messing with a separate lid. The vacuum insulation keeps my water ice cold through an entire workout.

The lid seals tight enough that I tossed it in my gym bag without a drop leaking. Double-wall insulation kept my water ice-cold through a full practice and a long ride home.

I love that the straw flips up so easily and snaps shut securely, making it perfect for tossing in my gym bag without worrying about spills. The double-wall insulation keeps my water cold through an entire practice, which is a game-changer for me.

The vacuum insulation is no joke—my water was still icy after a two-hour practice in the sun. The leakproof flip straw makes tossing it in my gym bag worry-free.

Took this to the gym and the flip straw made it so easy to drink during my workout without having to unscrew a lid. It survived being knocked over in my gym bag without a single drop leaking, which is a huge win for me.

The double-wall vacuum insulation really keeps my iced water cold for hours, even when I leave the tumbler in a hot car after a morning workout. The flip straw mechanism is smooth and seals tight with a simple snap, so I’ve tossed it in my gym bag without a single drop of leakage.

I was a bit skeptical about the flip straw mechanism, but it’s actually quite sturdy and seals tightly. The 30-ounce capacity is perfect for my long practices—it keeps my water cold for hours without any leaks in my bag.

The flip straw is so smooth to operate, and it really doesn't leak at all when closed—even tossed sideways in my gym bag. I fill it with ice water before practice and it's still cold hours later.