Different varieties of thermoses are available in marketplaces, and we use them regularly for offices and at home, on picnics, etc. Therefore, many individuals are confused while making the decision to buy a thermos, and some of them fall into the trap of purchasing a bad item at an immense...  Different varieties of thermoses are available in marketplaces, and we use them regularly for offices and at home, on picnics, etc. Therefore, many individuals are confused while making the decision to buy a thermos, and some of them fall into the trap of purchasing a bad item at an immense...