Celestial 20" Seat-On Carry-On Silver White. Goodbye to the awkward days of crouching or sitting on dirty floors at airports. Travelers Club Luggage created the Seat-Onâ?¢ to ensure travelers a comfortable journey without having to sacrifice style. With the Seat-Onâ?¢, comfort meets sophistication. Efficiency meets design. Confidence comes with durability. Your comfort is our priority.