Dear
Thank you for your order. We have sent you all of the items you requested except for [item and number]， which is backordered.
We apologize for the delay and are expecting to have this item for you shortly.
Thank you for your order. We have sent you all of the items you requested except for [item and number]， which is backordered.
We apologize for the delay and are expecting to have this item for you shortly.