BIFL Coffee Bros, Yeti Cup and Mueller French PressSubmitted by lostdragon05 t3_10xw1l0 in BuyItForLife
meaty87 t1_j7waqsd wrote
Reply to comment by lostdragon05 in BIFL Coffee Bros, Yeti Cup and Mueller French Press by lostdragon05
They all lost the vacuum that acts as the insulator and were functionally just metal cups from then on. Wouldn't keep anything cold any longer than a normal cup would.
dinnerthief t1_j7x9dv8 wrote
A air layer would work very well for insulation as well but now I'm curious if yetis truly have a vacuum and how much of one.
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