[If exchange and return are available] - If there is a defect in the product, please contact the customer center within 7 days from the date of receipt of the product after taking a photo as soon as the courier is received, and we will confirm and process it. [If exchange and return are not possible] - When the value of the goods, etc., has decreased significantly over time to the extent that it is difficult to resell them. It is not possible to exchange or return the product.