수분 보충 스틸 시퍼

Took this to the gym and left it in my car for an hour in the sun—still ice cold when I got back. The insulated body handles condensation way better than my old plastic shaker, no wet ring on my desk either.

Ice stayed in this thing for a whole three-hour study session at the library, and the outside never even felt damp against my laptop. The insulated body really does the trick, and the cap seals tight enough that I can toss it in my bag sideways without a second thought. Definitely my new daily carry

Took this to the gym on a hot afternoon and the outside stayed completely dry the whole time, no dripping on my car seat. The insulated body kept my drink icy for the full workout, which is exactly what I needed.