The pictures are for reference only, and there is no shipping insurance. We do not support a seven-day return policy without any reason. If you need to return the goods for a refund, you will have to bear the cost of return shipping yourself. If there are any quality issues (such as holes, yellowing, stains, etc.), we do not support exchange. The corresponding amount of the socks will be directly deducted. If the customer considers the quality to be poor for personal reasons, they will have to bear the cost of return shipping themselves, and they can return the goods for a refund.