You have certainly never seen such a well thought-out carryall before. The 4 hard shells supplied with the bag are inserted into the side pockets on the inside, thus making the bag dimensionally stable.
Apart from the huge main compartment which has a capacity of 60(!) litres, it also has 2 separate outer pockets for a keep net and landing net head. In addition there are 2 big outer pockets for more accessories and a padded carrying strap. With a rubberised bottom