Aladdin thermos? I had at least a dozen, and any one of them that is younger than 30 years old has lost its vacuum seal. Sure they won't break but won't keep liquid hot for more than 3 hours without that vacuum seal.
"Was complaining to my BIL over Xmas about how the Stanley I bought keeps breaking. He gave me this old one that was my grandpas. Just noticed the old inscription “it will not break”"
Aladdin thermos? I had at least a dozen, and any one of them that is younger than 30 years old has lost its vacuum seal. Sure they won't break but won't keep liquid hot for more than 3 hours without that vacuum seal.