Overall I give them 3 1/2 stars. I definitely like these more than my plastic measuring cups whose labels have worn off after a few weeks of use. I've had these mugs for about three months now and they're holding up well. The handles are a bit flimsy, but if you store them hanging it's not a problem. I must say that they are not made of copper, but copper-plated. . I accidentally left some leftover vinegar in one of the cups and it stained the bottom of the cup (Photo 2). And in no case do not wash them in a washing machine, this also leads to erosion. My son made this with one of my mugs and it got a little boring (Photo 3). So always and immediately delete. Minor care instructions aside, they work great and do their job while looking attractive.
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