Walnut Core 水瓶

I was skeptical that double-walled steel could keep drinks cold all day, but after leaving ice water in mine for eight hours at my desk, there was still plenty of ice left. The 500 ml capacity is perfect for a long meeting, and the finish on the outside doesn't get sweaty or slippery, which I really

Filled it with hot tea at 7am and it was still warm at lunch, which I didn't expect from a 500 ml bottle. The double-walled steel doesn't sweat on my desk either.

Switched from plastic and the difference is immediate—my ice cubes still survive a full workday thanks to the double-wall steel. The 500 ml capacity is perfect for carrying on my commute without being clunky.