0 16 oz. zip lock coffee bags with window and valve Posted by Michael Heward on April 10, 2011 at 12:20pm in Coffee & Roasting 16 oz. zip lock coffee bags with window and valve are available on eBay in smaller quantities at mhewardishere. You need to be a member of Barista Exchange to add comments! Join Barista Exchange Tags: Coffee, bag, roast, valve, window Email me when people reply – Follow
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