this post was submitted on 15 Dec 2025
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I like their idea of aluminum cups, but the boxes they come in are unfortunately made from plastic coated paperboard. (Not sure why, with their whole selling point being more environmentally friendly.)
Also aluminum is super great at conducting heat! which means your drink will rapidly move toward whatever temperature it is.
Great at conduction, but with not a lot of thermal mass, meaning that actually your drink will usually just make whatever it's touching (your hand, often) super cold or hot.
I used to make, consume and share a lot of frozen beverages. I had a set of aluminum cups that I loved, but everyone else hated them because they started frosting over as soon as the frozen drink was poured in. My then girlfriend, now wife, would only use them with a towel wrapped around them for insulation.
Oof. I think I lean more toward her side, to be honest. I don't like having cold hands.
I didn't begrudge her the right to be warm, but it did make the cups look a lot less pretty. The ones I had were shaped differently, but basically this:
collapsed inline media
I got them at a thrift shop, so no clue what brand they were. I think I technically still have them somewhere but have only used them once any time even remotely recently.
Those do look really nice, for sure. They'd make great snack cups.