○月○月に○○という商品を購入しPAYPALで決裁したのですが、保留中になってます。確認してもらえますか?
PAYPALで決裁を希望します。
I bought the product (name) on (date) and settled the payment by PALPAL. But I've found it still pending.
Could you check it?
I'd like to settle by PAYPAL.