Exchange or refund will only be allowed if the item is out of stock. All our items are quality assured and we will run many rounds of quality checks before each item is sent out. However, in the rare event that your item is defective due to manufacturing defects, do contact us immediately via an email (Support@omfbags.com) with photos and details of the defect for an exchange. Defected goods must be returned within 14 days from the date of shipment and tag not removed. We reserve the right to refuse any returns deemed inappropriate.