DESC: Storm's& Rolling Thunder 4-ball bowling bag is made with 600 denier polyvinyl fabric and a heavy duty frame to absorb the normal wear and tear associated with transportation to and from the bowling alley. The sturdy locking telescopic handle with grip release and the 5-in bearing wheels aid easy transportation and increased mobility. The roller also includes a detachable 2-ball deluxe tote with an adjustable non-slip shoulder strap.