The sleeves are produced from composition of polyethylene by blowing method and have diameter from 1,65 m. till 3 m., length – from 60 m. till 75 m. Each bag can contain up to 200 or up to 250 tonnes of grain. The bags with grain can be stored outdoors simply in the fields up to 2 years. In general you can place up to 5000 tonnes of grain in one hectare without any capital investments into construction.