As a general rule, refunds cannot be made on your custom product unless one of the following situations occurs: 1. The product packaging is damaged 2. The product is damaged 3. The product is incorrectly printed 4. The estimated delivery time is exceeded 5. The post office confirms that you did not receive your order. 6. The product has defects that affect normal use. 7. The date you requested a refund is more than 90 days.