We are sorry to hear that your parcel has been returned to us, this can be because of several reasons. As a first step, please confirm that the address which you have provided during your order is correct. If the address is indeed correct, we will then investigate what happened and where the poster is. As soon as we receive the poster back, we will resend it to you. Alternatively, if the address was incorrect or you did not collect the parcel from your local post office in time, and we receive the poster back, we will be able to resend the poster to you. However, this will incur additional shipping fees.