We do some good work for the Coffee Roasters . 

We are developer and manufacturer .

We develope Packing-Material .

We make coffee bags after printing .

This Item is Blank / NoPrint Kraft Paper / Zipper Coffee Bag .

>>The capacity is fixed : 16 oz or 8 oz .

>>If you need the other capacity , please discuss by mail.

>> One way valve attached .

>> Ultraviolet Isolated ( UV Proof )

Thank You !