I don’t rust plastic liquid filled reusable ice cubes. These stainless steel ones seem safer since we are learning more about plastics every day. They come with two nice trays, this is a nice change compared to used a freezer bag like the cheaper plastic models. The box is also has a nice design, this company didn’t go cheap on what you get.
I really put these to the test. I found a 30 degree temperature drop in 5 minutes. That seems to work as good as real ice without watering down the drink. These cubes do work, they’re stainless steel, and they’re relatively inexpensive. For what you are paying for you can’t go wrong with them.