Compostable Packaging Market Size, Share & Industry Analysis, By Material (Polylactic acid (PLA), Cellulose, Bamboo, Wood, Polyhydroxyalkanoate (PHA), and Others), By Product Type (Boxes and Containers, Bags & Pouches, Trays & Plates, Films & Wraps, Cups & Bowls, and Others), By End-use Industry (Food & Beverages, Healthcare & Pharmaceuticals, Retail & Consumer Goods, Personal Care and Cosmetics, and Others), and Regional Forecast, 2026-2034