Global Snack Food Packaging Market Size, Trends, and Growth Opportunity, By Material Type (Polyethylene (PE), Polypropylene (PP), Polyethylene Terephthalate (PET), Bioplastics, Others), By Packaging Type (Pouches, Bags, Boxes, Composite Cans, Others), By Product Weight (Less than 100 gm, 101 gm to 500 gm, 501 gm to 1 kg, 1 kg to 3 kg, Above 3 kg), By Application (Chips/Crisp/Dries/Plantain Chip, N