All sales are final. If your product is Damaged in the mail we will send out a new order and USPS Insurance will cover the replacement. or if it has a defect due to mis-installation on your part we will replace your order 1 time if you cover the shipping. We have a very high standard of quality control and inspect your order prior to shipping. Due to the nature of the order we cannot re-use or re-sell the vinyl. It is the customers responsibility to install the vinyl correctly.