Polyester film is a type of plastic film made from polyethylene terephthalate (PET). It is known for its strength, durability, and resistance to moisture and chemicals. This makes it a popular choice for various applications, including packaging, electrical insulation, and photographic film. In addition to its practical uses, polyester film can be produced in different thicknesses and finishes, such as matte or glossy. It is also recyclable, contributing to environmental sustainability. Due to its versatility, polyester film is widely used in industries ranging from food packaging to electronics.