IceFlowTM フリップストロータンブラー | 20オンス - Stanley Create

Finally a tumbler that doesn’t leak sideways in my backpack—the flip straw snaps shut so solidly I’ve stopped double-checking. The 20 oz size is perfect for a full practice, and the double-wall vacuum keeps my water cold through two hours of track.

I’ve been tossing this in my gym bag every morning and the leakproof flip straw is a lifesaver — I can just snap it shut and throw it in without a second thought. My water stays ice cold through a full practice and the 20 oz size is perfect for quick refills.

The flip straw clicks shut so securely that I’ve thrown it in my work bag without a second thought about spills. Double-wall insulation keeps my iced coffee cold through a morning of errands, and the 20-ounce size fits my car’s cup holder perfectly.