Rimowa's Topas is their quintessential aluminum case, constantly evolving for the last sixty years. Made of aluminum-magnesium alloy, Topas is one of the lightest and strongest luggage lines in the world. No matter how much you weight it down, the multiwheel system guarantees this luggage will glide smoothly. Interior organization is provided by the height-adjustable flex-divider-system so that your contents will not slip out of place.