These bags are water tight. Whatever I put in, even 100% liquid, stays in (even when holding the bag upside down). It saves me money because I don't have to spend money on disposable zipper bags. It also saves our planet's resources because I'm reusing these, not throwing them away when I'm done.While these are a little less convenient than disposable zipper bags, given the money and Earth's resources I'm saving, it's worth the extra inconvenience to have to wash these between uses.
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