Here is a review left by a customer on a product. Would you say he was satisfied or dissatisfied?
Title: Not that "vacuum"
Review: I don't know if this is the case only for what I got from Amazon.com, or all of them are like this, but mine was not a good insulator at all. I previously had a Thermos 16-oz Travel Tumbler which had an excellent vacuum insulation though would leak through the lid. So I chose this Thermos Nissan model according to the ratings and reviews. Although it is really leak-proof, I am disappointed with the insulation. The outer surface gets sensibly warm when containing hot liquid, which means noticeable THERMAL LEAKAGE.Thinking of returning it.
