American Tourister hard-shell frame Carry-On Luggage TECHNICAL SPECIFICATIONS · 100% Polycarbonate construction · Four multi-directional dual spinner wheels foreffortless mobility · Ultra-protective security frame with sealedgasket closure features and integrated TSA combination lock that provides peaceof mind when checking cases through security · Deluxe interior featuring two divider panels, cross-strapsand plenty of organizational pockets · Hard-shell frame luggage collection.