These bags do not seal properly when using the ABox vacuum sealer. I have tried cutting packages of different lengths from 8" to around 16" and using different insertion points in the seal but nothing has worked with these packages. It took me 4-5 tries to get the stamp on my successful attempts and I just gave up on the last try. I am returning the remaining bags for a refund. I've used other cases effectively, including the ones that came with the device, as well as other third-party cases with no issues. I just had bad luck with this bag and vacuum sealer.
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