BOPP bags are the high customer impact choice for seeds, pet food, animal feed, and many other consumer products. BOPP bags allow for brilliant color and clarity making it a popular option for retail packaging. ... BOPP is a polypropylene film that is applied as an additional layer to your woven polypropylene bags BOPP film is commonly used for applications that require moisture resistance, optical clarity and high tensile strength such as: Food & Beverage Packaging. Medical Packaging. Personal Care Products Packaging.