Explorer 5140Internal: 516 x 296 x 402 mm External: 581 x 381 x 455 mm Weight (Empty): 7. 52kg This waterproof case was specifically engineered for professionals who need to carry a variety of tools and equipment. Manufactured from highest quality polypropylene. The bottom and feet of this case are designed to allow the cases to easily be stacked. Automatic pressure release valve. Top lid and front lid open to 180. Both lids are equipped with polyurethane sealing