... 3>Added valve. 4>Gravure tech Chosen Coffee Bean With Added Valve: NameChosen Coffee Bean /QS/Valve PackagingOEMAcceptSamples Available for freeCertification QS ... /PE,OPP/AL/PE, PET/VMPET/PE .etc.UsageCoffee,coffee bean.MOQ30,000 PCSColor1-10colorsStyleSide gusset, roll films,zipper or not ... ;CIF 5, Minimum Order:Based on the different sizes of bags,generally,it can not be less than 30,000 pcs ...