Biodegradable plastic film for agricultural use; Plastic sheeting for preventing weed growth; Opaque plastic film for blocking sunlight; Biodegradable film for use in lining gardens and flowerbeds; Plastic sheeting for agricultural purposes; Film for mulching; Plastic films for agricultural purposes; Plastic film for packing, cushioning, or stuffing purposes; Plastic film for packing and stuffing; Polypropylene films for preventing weed growth