Vented Big Bags provide air circulation with vertical perforated polyproplen fabric (11,22 and 26 ventils) obtained by using only horizontal ropes at certain distances. The purpose of this design is to prevent the decay of the material to be placed in it by allowing the material in it to breathe. From 500 kilos to 2,000 kilos, 5:1 , 6:1 and 8:1 can be produced in safety coefficient. The Ventil feature can be added to Q Big Bags. Usage Area: Vented Big Bags are usually used in agricultural products that need to take air, such as Natural nut, potato, onion.