Flexible Packaging Market Size, Share & Demand Report By Material (Plastic, Paper, Aluminum Foil, Bioplastics), By Packaging Type (Pouches, Bags, Sachets & Stick Packs, Wraps & Films), By End-Use Industry (Food & Beverage, Pharmaceutical & Healthcare, Personal Care & Cosmetics, Household Products, Industrial Applications) By Region & Segment Forecasts, 2025–2034