The Maze cases are thickly padded and reinforced with Polypropylene panels to protect delicate equipment like lighting kits. Under their lids you will find zip pockets just right for flat gels and similar accessories. The interiors of the cases can be customized with the Modi-Vers divider system, and all four models are Insertrolley compatible. (For Maze-1&2 photo configuration) The shoulder strap of the Maze-3 helps you carry it golf bag style. The Maze-4's construction also includes plastic panels and aluminum staves. This case is sold with the Insertrolley included, and APSS or NSS shoulder straps can be added.