Opp is the most common material used in transparent packing bags. Stretchable polypropylene is another name for it. This is a common form of plastic bag that can be found almost anywhere. It's pragmatic, versatile, and efficient. It is insoluble in water and soluble in hydrocarbons, toluene, and other compounds in small amounts. It has…. Read More: https://packingmaterialsuppliesinuk.wordpress.com/2022/02/23/benefits-of-clear-opp-bags/