ボイジャー タンブラー（クリアフリップリッド＆ストロー付き）

The twist-on lid seals tight enough that I tossed it in my bag with zero leaks, and the double-wall insulation kept my iced coffee cold through a whole afternoon of errands. The two straws are a nice bonus since I can keep one in the dishwasher and one ready to go.

I was a bit skeptical about how well it would fit in my car's cup holder, but it slides right in and doesn't tip over. The double-wall insulation kept my iced coffee cold for hours, even on a warm afternoon. Having two straws included is a nice touch, so I always have a clean backup.

The clear flip lid twists on securely and doesn't leak, which is exactly what I needed for my morning commute. It keeps my coffee hot for hours, and having the two straws included was a nice bonus.