Polythene is widely used in packaging due to its durability, flexibility, and resistance to moisture. It is commonly found in plastic bags, films, and containers for food and beverages. In construction, polythene serves as a vapor barrier and insulation material. It is also utilized in the production of pipes, cables, and geomembranes for waterproofing. In the medical field, polythene is used to make syringes, tubing, and sterile packaging. Additionally, it plays a role in manufacturing household items like bottles, toys, and furniture due to its lightweight and cost-effectiveness. Its versatility makes it a key material across various industries.