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Title: Very disappointed
Review: As many of the other reviewers said, these bags do not keep the air out. I zipped and zipped to make sure the seal was tight. I made sure the valve was 'locked' and pushed in (that's what the customer service dept at Spacebags said to do). Unfortunately in a couple weeks, all the bags (I have 15 of them) filled with air. It was a waste of money!
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