To compose your own ideal big bags you need the following information:
Style: Rectangular, Tubular, U-Panel
Weight: between 300 and 4000 kg and above
Bags type: 1, 2, 3, or 4 loops
Extra: filling and/or discharging spouts
Height: depending on bottom size and volume.
Type: coated (breathable), non-coated (non-breathable) or with liner