This letter confirms the details of merchandise being returned for exchange. Specify products by product number, size, quantity, style, color or any other identifiers. Clearly state how you want to handle price differences, and when the new merchandise will be shipped.
1234, Main Street
Boston, MA 02123
<Recipient Address Goes Here>
This letter acknowledges receipt of <returned merchandise>. We understand that you would like to exchange <it/them> for <desired merchandise>.
<Possibility of fulfillment.>
<Handling price discrepancy.>
If you have any questions, please call us at <phone number>. Thank you for choosing Abc Company.
encl: <List of enclosed items goes here>