If you suspect that the product is damaged, stained, or of poor quality, please contact us within 7 days of receiving the item and return it by cash on delivery. In addition, damage or stains on the label due to aging, etc. do not apply. We will check the condition and if we judge that it is a defect in our company, we will ship the same product or an equivalent product. If it is not in stock, we will refund it. We will not be able to respond if more than 8 days have passed since the product arrived. In addition, due to the nature of the product, please forgive any response other than quality defects after uncorking. Damaged outer boxes, enclosed paper, and defective corks are not eligible for exchange returns. Please handle it carefully when opening it. * Cork may become fragile due to various factors such as deterioration over time. Please note that if the cork breaks when opening, we will not be able to exchange or return it.