I will travel to Japan next month. I want to buy a suitcase at the airport. Can I take it away on the spot?

If there are not many things, you can buy them in Japanese department stores and get a tax refund on the spot.

The airport is too expensive to sell.

Of course, if you have to buy it at the airport, you can take it away.

However, it is better to buy something larger than 22 inches early and arrive at the boarding gate in advance.

So you can give them your luggage and ask them to check it for you.