When you are purchase metal briefcases, there are several things that you need to ready in mind. First, you need to make sure that you have a kit to maintain the metal. While metal is more durable than leather, it needs to be cleaned and polished to maintain its appearance. Aluminum can grow dull with geezerhood and lack of care, which can promote the appearance of scuffs and scratches. Second, these cases take longer to pass airport security checks, as they are crafted of metal. If you travel a lot, you module poverty to ready this in mind.