Plastic bottles, as widely used packaging containers, possess distinct and practical features. Firstly, they are lightweight and durable, making them easy to carry and transport, thus reducing logistics costs and providing convenience for consumers to use them anytime, anywhere. Secondly, plastic bottles offer excellent sealing properties, effectively preventing leakage of their contents and ensuring the freshness and safety of the products. Furthermore, their high malleability allows for a variety of shapes, catering to the packaging needs of different products, whether liquids, solids, or semi-solids, all of which can be packaged in suitable plastic bottles. Additionally, plastic bottles are cost-effective and have high production efficiency, making them suitable for mass production, which helps lower product prices and enhance market competitiveness. In summary, plastic bottles, with their lightweight, durability, sealing, versatility, and affordability, have become a choice in the modern packaging industry, bringing numerous conveniences to people's lives.