Campus フリップキャップ付き水筒 600ml - ワイルドホース

I was a bit skeptical about a bottle handling carbonated drinks, but it’s held up fine with sparkling water. The one-click open lid stays closed securely in my bag, and it’s noticeably lighter than my old steel one.

The push-button flip lid stays open while I drink, which is perfect for gulping water during class. It's held up well in my backpack without leaking, even with sparkling water inside.

I've been using this bottle daily for three weeks now and the flip lid staying open while drinking is such a game changer during workouts. It handles sparkling water without leaking, and the button mechanism still clicks shut as smoothly as day one.