Some specification about our jumbo bag 1) Capacity: 0.5 - 3MT 2) Shape: square, circular 3) Loops: top, side, bottom 4) Top: open, skirt top, filling spout 5) Bottom: Flat, discharge spout 6) Safety factor: 5:1 7) Properties: high safety factor, fastness, moisture proof, keep clean, easy to load and unload!