DE x Chilly's リユーザブルコーヒーカップ

The double-walled design actually holds up—my coffee was still steaming after a 4-hour meeting, which never happens with my old cup. The leak-proof lid’s also survived a few tumbles in my bag without a single drip.

I’ve taken this to work every day for two weeks and my coffee’s still warm at lunch, which never happens with my old travel mug. The 340ml size fits perfectly in my bag’s side pocket and the lid hasn’t leaked once, even thrown around in my backpack.

The double-walled design actually works—my coffee was still steaming after a two-hour train ride with the lid snapped shut. The 340ml size is perfect for a proper morning hit without committing to a giant flask.