カレッジ トレックタンブラー

I was skeptical about the leakproof claim, but the flip lid really does seal tight—I tossed it in my bag sideways and not a drop escaped. The two straws are a nice bonus, and the double wall keeps my coffee hot through a full morning of classes.

I was skeptical about the double wall insulation keeping my coffee hot during a long lecture, but it genuinely does for hours. The tapered bottom fits my car's cupholder perfectly, which is a lifesaver on commute days.

The flip lid is genuinely leakproof—I tossed it in my backpack with loose papers and nothing got wet. Double wall insulation kept my iced coffee cold through a three-hour lecture, and the two straws are a nice backup.