Prism 20 Seat-On⢠Double-Spinner Carry-On w/ Aluminum Frame Lime. Goodbye to the awkward days of crouching or sitting on dirty floors at airports. Travelers Club Luggage created the Seat-On⢠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.