Can I reserve a seat for oversized baggage even if my luggage is small? February 28, 2025 01:38 Updated Yes.For more details, please see the FAQ on this page. FAQ ID：0620e Related articles Where and how many seats are setup for oversized baggage? What is considered oversized baggage? Is a reservation necessary to bring oversized baggage on the Shinkansen? What should I do if all the oversized baggage seats are full on my train? How do I use seats for oversized baggage?