They were very easy to use and worked great. The main reason I chose them was because they are sterile. I've noticed that some of the other options for this type of product didn't have one, although they don't make it obvious, and I have a feeling you generally assume something like this would be sterile. It was like searching and reading the fine print. Make your own decision about how you feel if it has anything to do with it. I personally trusted them more and in the end my personal reasons for choosing this product just worked and they worked beautifully. I will definitely buy more in the future.
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