Fish food bag: 1)excellent printing 2)can be vacuumize 3)good quality,passed QS,ISO 4)air-barrier,keep freshness. fish food bag:1)laminated material:Nylon/LLDPE2)gravure printing,up to 10colors3)customised size and thickness4)pack for salmon,trout,smoked fish,ect5)with Euro slot,easy tearing nick&transparent window6)food grade,ISO,SGS complied