確認したいのですが、出荷は一箱に一足を入れての出荷ですよね？

Let me confirm something.

You ship a box which include only a pair of boots, right ?

The additional is 6 pair of boots, so I have to pay $360 ($60×6) is what I understand, is it correct ? then payment should be done via Paypal ?

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確認したいのですが、出荷は一箱に一足を入れての出荷ですよね？

追加は６足分ですので　＄６０×６＝＄３６０

をPayPal で支払えばいいですか？