1.with bottom gusset and degassing valve 2.Durability material ... Name:coffee bag with valveMOQ:20000PCSSize:Base on client’s requirementThickness:120(micron)Material:PET+AL+PE,OPP+AL+PE,ectLogo:As ... making ,printing, lamination, separating and cutting, bag making, examing Style:The bag style can be three-side sealed,Stand-up ... 250g, 500g, 1kg, 2kg, 3kg, 5kgetc…, side gusset coffee bag with valve