Traveler&rsquo;s Choice  Birmingham Lightweight Expandable Rugged Rollaboard Rolling Luggage - Black (21-Inch) Made of 1680 denier water-repellent fabric EVA foam construction provide exceptional durability while lightweight Ergonomic aluminum push-button handle system Full interior lining with zippered mesh pocket and Tie-down straps to secure your belongings In-line skate wheels with crash-guard wheel housings for lasting durability