Gavure printing,up to 10colors Passed ISO9001:2008 Food grade,meet with FDA,SGS round corner,high barrier Food bag:1)material:PVDC Coated PET/LLDPE2)round corner with easy tearing notch3)stand up with zipper,resealable4)food grade,meet with SGS,FDA standard5)passed ISO9001:20086)good printing quality for assurance High barrier food bag