Modern linear aesthetic in an overall boxy construction design to maximize every inch of the case for extreme packing capacity Industrial graded metal multi-stage push button handle system tubes with ergonomic carry grip for enriched confidence and user experience APCRB shell material for maximum strength in quality, weight, performance and fatigue resistance. Aluminum-like brushed texture with a superior metallic finish 360° Butter-smooth rolling dual spinner wheels Equipped with a keyless TSA-approved lock safeguarding your belongings while away from the luggage