Important charactrestic of FIBCs is  its Flexcibility that is due to its raw material.According to standared classification there are 2 types of FIBC , Single trip & Multiple trip .
FIBCs may be single loop , 2 loops or 4 loops it dedends to customer use  , they can be water proof  with /without charge or spout.
According to their loops , shapes or design they are numinated :
FIBCs Includes:
1)Standard FIBC:
1or 2 loops
4 loops :
Q Bag
Sling bag
2)UN marked Bags