Saccheria Lema s.a.s. starts to produce flexible containers (Big Bag) since 1991 to meet a growing demand to optimize management of bulk materials for containment, storage warehouses, handling and transportation. Product substantially in central and northern Italy in the Big Bag was known and used mainly in factories of the chemical industry of the Central European and American multinationals. The simplicity of the concept of management of the material (it is just a lot!), The high security features (also great resistance to crushing), the possibility of reaching considerable flow (in one Big Bag there is material equivalent to 5/6 drums metal, 40/60 paper bags, etc) with an extraordinary management of the physical space (about 1t of material each m2 warehouse), have made possible the use of such containers also in other industrial sectors, especially for the containment and handling of hazardous products. In the early nineties, in fact, has started to use the \"big bag\" for containment of industrial wastes, especially if contaminated with hazardous substances to humans and the environment (hazardous toxic). It is of that period, the definition of a procedure for the safe management of landfills implemented by the withdrawal of toxic waste exclusively in Big Bag. Saccheria Lema s.a.s. has established business relations with leading Italian companies in the disposal of industrial waste, providing containers manufactured to meet safety criteria (certified by external bodies) for transport by road and rail of dangerous goods. The ability to address and solve the most varied application problems, has meant that in the nineties are developed, both at the level of prototype to the next level of production, containers (big bags) to be applied for the filtration of liquids [link environment], for marine services [link marine] for goods and hot with temperatures up to 200 ?. Finally, we developed a lot (Big Bag) for containing food, produced with criteria of high level of hygiene and that has been subjected to the tests prescribed by the national standard for containing food.