vivid printing oil resistance aluminum foil ziplock dry food bags 1) Material: PET/AL/NY/PE, PET/AL/PE, PET/NY/PE, PET/PE, OPP/CPP as clients' required and with custom thickness.2) Variety sizes: 110*160+60mm (70g), 120*200+60(100g), 130*210+60(150g), 160*230+70(200g), 190*265+90(500g), 240*335+100(1kg), 300*500+70(3kg), or customized sizes...