Thank you for finding our product! Window size: 25.5x23cm Frame size: 40.5×31.5cm. For reference: 1 cm = 0.39 inches 10 cm = 3.9 inches. We cannot change an address after the order has already been placed. If you have any questions or issues, we are at your service. We will reply to your question or invoice within 3 days. We cannot accommodate requests for gifts or changes to declared amounts.