Bình giữ nhiệt Campus có nắp lật 500 ml - Frozen Friends

The button-flip lid is such a relief when I'm cycling with gloves on—one press and it stays open while I chug. Been tossing it in my backpack all week and not a single drop leaked, even with sparkling water inside.

My 500ml bottle keeps my water ice-cold through a full day of lectures, and I’ve thrown it in my backpack upside down without a single leak. The flip cap stays open while I drink, which makes it way easier to sip during class.

The button flip is so handy when I’m cycling to class—one thumb press and it’s open, no wrestling with a cap. It’s handled a few fizzy drinks without leaking a drop, and the lid stays put while I chug. Double-walled means my water’s still cold at the end of the day, which honestly makes me drink mor