It is the customers responsibility to provide a correct shipping address, in the case of USPS being un-able to deliver an order, APileOfShirts.com will not be responsible for shipping the product back again. There will be a $15 re-shipment fee charged to the customer if the customer would like the product shipped back, however the customer will be responsible for making their wishes clear. No refunds will be granted as a result of a un-deliverable package.