High-Barrier Pouches Market Size By Product (Standup, Spouted, Four Side Seal, Retort), By Material (Polyethylene, Polypropylene, High Barrier Additives, Aluminum, Polyamide, Fitments, Tubes & Spouts), By Application (Food, Beverages, Pharmaceuticals, Pet Food, Industrial, Home Care & Personal Care), By Film Layer (Five-Layer, Seven-Layer, Nine-Layer) Industry Analysis Report, Regional Outlook, Gr