Annodized aluminum, the lightest material used in the aviation and motor industries. Distinctive and robust groove design. Recessed locks are pressure die-cast and connect steel elements. Trolley case features an attractive, integrated telescopic handle that can be stored when not in use and automatically retracting towing belt. Easy-glide wheel system makes for easy transportation and maneuverability. 22 x 14 x 15 3/4 (56 x 36 x 40 cm).