Let’s be honest here, thin fabric koozies are mostly useful for decoration; they don’t really keep a can cold for very long. This imposing metal Thermos contraption though? It’s the real deal.

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Thermos’s stainless steel can insulator uses vacuum insulation and thick walls to actually provide a barrier between your beverage and the outside world. They go so far as to claim that it will keep a can cold for up to 3 hours, and even if that’s a little bit of marketing hyperbole, what could possibly be in that can that takes more than an hour to drink?

Even during the winter months, it has the added benefit of protecting your bare skin from cold, damp cans, so you can use it all year round.

Nearly 2,000 Amazon reviewers have given the Thermos a 4.5 star review average, and you can get one (or more!) for just $8 right now. Bottom’s up!