上pediwear買了一個tote bag，不過出現問題

今天上午收到來信，
主旨:Return of Ettinger Chelsea Tote bag
內容:
Thank you for the return of 1 Ettinger Chelsea Tote bag. In the absence of a covering note, please could you confirm the reason for return and how you wish us to proceed.



On receipt of your instructions we will be happy to process your order as appropriate.



Thank you for your custom and interest in our products


什麼是covering note，應該如何解決?謝謝。