ROOMY STORAGE: Internal size: 49.2x14.2x11 inch ; External size (with casters): 52x15x13 inch,This large capacity trolley case provides spacious interior storage for cameras, tripods, light stands, microphones and other photography equipment. Ideal to pack 3 to 5 strobe flashes, 3 or 4 light stands, 2 or 3 umbrellas, 1 or 2 soft boxes, 1 or 2 reflectors. PROTECTIVE DESIGN: Removable padded dividers and water resistant exterior shell protect gears from bumps and weather, keeping strobes, light stands, tripods, soft boxes and accessories safe during the transport. SMOOTH ROLLING: dual-wheel system and smooth-rolling inline skate wheels make the case easy to maneuver over different surfaces. RATIONAL AND FLEXIBLE INTERNAL STRUCTURE: The flexible, removable interior dividers can be adjusted to fit the size of your equipment, making it easy to utilize the interior space of this bag to perfectly protect and transport your equipment. DURABLE CONSTRUCTION: Reinforced corners and a lockable main zipper ensure valuables stay securely inside the case, which is built to withstand the rigors of professional use.