Aluminum Check-In MediumDescription Luxury meets function in the Aluminum Check In Medium, our most elevated offering yet. Crafted from anodized and electroplated aluminum with a refined brushed finish, its hard shell is designed to withstand the demands of travel and evolve with every journey. Inherent to aluminum, the surface will develop a patina over time each mark adding character, making your suitcase entirely unique to you. For effortless travel, a zipperless frame