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Review title: Disappointing - no good for warm lunches
Product review: Very disappointing. At most this will keep food warm for 2-3 hours. I try to use this for my daughter's school lunch and end up having to pre-heat the flask with boiling water first to reduce heat transfer when I put in the extremely hot food, and then also wrap the whole flask in kitchen towels, before putting this in an insulated lunch box. It provides a lukewarm lunch after 4 hours.I would expect much better from Thermos. The fact that the wall of the flask is warm on filling is a real giveaway that the vacuum (or, more likely, cheap insulation) is just not effective.Pros: good portion size, durable, wide mouth, handy folding spoon.Cons: does not keep food warm for more than a very short time.
