Originally Posted by captkdobbs

Sorry all, I didn't mean to turn this into an environmental argument. I just wanted to share some info to give everyone a chance to find a suitable alternative.

My favorite (so far) is the Thermos Vacuum King 16oz. It fits in the Airbus cup holder, closes securely so it doesn't leak in my bag, and it keeps stuff the right temp (hot or cold) for hours.

Thermos Stainless Vacuum King 16oz.

Any other good options/favorites out there?