: Polypropylene Woven Sacks, Meeting the challenging dynamics of handling dry bulk products in a fast changing global economy is the key. Dry bulk industries have relied on flexible intermediate bulk containers (FIBCs) as the proven competitive shipping and storage solution for more than three decades. FIBCs (also known as jumbo bags, bulk bags or big bags) are proven to be uncommonly strong and constructed primarily of woven polypropylene. Each FIBC is custom designed to meet the unique needs of each company. Efficient, cost effective and smart for business are the words.