就是这些吗？

A：How many bags do you have? Is this everything? 您总共有几件行李？就是这些吗？
B：Yes. That's all. 对，就这些。
同类问句：
Is this all you have? 这是您所有的东西吗？
Is this all your baggage?这是您所有的行李吗?

询问行李总数
您有多少件行李？

A：How many pieces of luggage do you have? 您有多少件行李？
B：Just these three.只有这3件。

同类问句：

How many pieces of baggage do you have?您有几件行李？
Two suitcases and one bag. Is that right?两个旅行箱和一个袋子，对吗? Yes.That's all. 就这些。