Quote:
Originally Posted by Sue Doe-Nym
Is Yeti similar to Tervis Tumblers?
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I'd be curious if the Yeti products are "Dewar flasks" (Thermos
® type—sealed vacuum
glass) cups with a stainless steel covering.
Although expensive at the time, I bought one as a coffee mug about 30 years ago. It was made in Japan, has a stainless steel cover, and has lasted many years. The seal—of an unknown flexible material—between the glass and the metal covering started to leak, so I put it aside to repair "later".
Very similar to the following, but with a metal handle one might expect on a coffee mug:
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