A Plastic Bottle is a bottle made of plastic material with a neck or opening that is narrower than its main body. The opening is normally sealable with a cap or closure. Plastic bottles are used in various fields for the primary purpose of containing liquids. These are widely used in pharmaceutical sector, chemical industry, mineral water bottling plants, and several other industries and sectors. Such bottles are also used in chemical or scientific laboratories. Plastic bottles are generally used to store liquids such as water, soft drinks, motor oil, cooking oil, medicine, shampoo, milk, and ink. The size varies in accordance with specific types of requirements. Various kinds of plastics like HDPE, LDPE, PET, PETE, PP, PVC, etc. are used to manufacture different grades of plastic bottles.