The Gator GSRW-2U Rolling Laptop 2-Space Rack Bag features a polyethylene reinforced interior frame, rugged 600-Denier nylon construction, and is lightweight yet rigid, thanks to an internal reinforced aluminum valance. Extremely convenient, you'll love the retractable, removable handle and wheels on the case, plus the exterior pocket for cables, etc. The bag's padded polyethylene 16.5" x 12.5" reinforced laptop pocket allows your notebook computer to be connected to music gear during transport, saving you valuable setup time and eliminating cable confusion. The GSR-2U also features field replaceable threaded rack rail on the front and a pass-through hole from the laptop compartment to the rack session for running cables.