100% Makrolon© polycarbonate. The 4 wheels guarantee great stability and smoothness. The suitcase has a TSA lock incorporated (ideal for travelers to the USA) combined with a zipper closure with water resistant treatment. The elastic belt comes with the suitcase and closes with the iconic butterfly lock. The two handles are in Italian fine leather and are embellished with the FPM logo. The internal organization comes with a soft elastic belt with a buckle with FPM logo engraved on one side, and a zip pocket in the other side.ideal for 1-2 day trip.