The Gator Cases GR-RACKBAG-2UW Lightweight Rolling Rack Bag with Tow Handle & Wheels provides an ideal way to carry and protect effects processors, recording equipment and sound modules. It features sturdy construction -- the exterior is made from 600 denier nylon with an aluminum internal frame that is reinforced with polyethylene. A rear flap allows easy access to the entire panel of equipment, while an exterior pocket provides storage space for any accessories you may need. Both the main compartment and pocket have secure, zippered closures. The bag can be carried using the retractable tow handle, or it can be rolled along using the recessed inline wheels.