Laminated boxy valve bag with success replaces boxy paper bag. Durability of bags is their distinctive feature. 

Bag is a kind of transport soft container with the case in the form of sleeve, with bottom and mouth. Polypropylene bags are popular, economic and simple in use. 

Polypropylene fabric is a fabric which is made from granulated polypropylene with addition of UF stabilizer. Laminated polypropylene fabric is a fabric which is made from granulated polypropylene with polyethylene… 

Soft containers of single use from polypropylene are intended for fabric transportation and time storage of loose cargoes (chemical products, mineral fertilizers, alumina, cement, etc.).