Very hard to open and close

Their purpose is to be closed tightly, but the plastic clip is hard, very hard to slide on the bags, making it nearly impossible to close them conveniently. It is a hassle to use these bags when you have some other chores to do. I cannot give these bags to my kids either, since they would be unable to open or close the bags. otherwise, they are ok for the purpose, even if they leave some weird smell on liquid food products. Re. durability, they should last at least a few months, unless the plastic clip ends up breaking.

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