"Stan (the Man)" > wrote in message
> Actually, the B&D bags do have air channels of a sort. They're just not
> etched onto the bag, itself. They incorporate two interior "wings" of
> mesh material which provide the channel for air extraction.
>
> --

Thank you. I figured there must be some way to evacuate the air. Now to
find a source as I've not seen them in stores (but have not looked all that
hard either) and did not find them in a quick search of web sites.
Ed