USPS are used when private shipping company can not handle your package. This is X work shipment so that we are exempt from any trouble. We strongly recommend you to contact Japan's custom before shipment.
• However, if the volume weight (lbs) calculated by 'length x width x height (inch) ÷ 139' exceeds the actual weight, the volume weight will be used to calculate the shipping cost. • In case of multiple packages, the shipping cost will be calculated from the applied weight for each package, and the sum of each shipping cost will be the billing shipping fee.