PP bags are mainly made of polypropylene. The main production processes are color printing and offset printing PP bags are generally woven bags, bright colors, are thermoplastic bags and have good stretchability. The material of the PE bag is mainly polyethylene. Biasially oriented polypropylene (BOPP) is a durable material that is commonly used for packaging bird seed pet food, deer com, and animal nutrition products it is also the packaging of choice for rice and minerals due to its strength and ability to hold weight without breaking easily
