Preform bottles start as small, test-tube-shaped pieces of plastic, but with a specialized process, they transform into full-sized bottles. This article explains how preform bottles are manufactured, beginning with raw materials like PET resin. The PET is melted and injected into a mold to create the preform shape, which is then reheated and expanded into a bottle using a blow molding process. The article also highlights the sustainability of the PET material, which is both lightweight and recyclable, making preform bottles a popular choice for packaging in the global