All products are shipped by DHL Express by default, and then transferred to USPS via DHL China direct mail. Some products are sent by EMS express standard express, and the orders transferred by China EMS direct mail to USPS will be shipped within 2 working days after the order is placed. Except for statutory holidays in China, shipments will be made from Monday to Friday. If the customer places an order on Friday, the shipment will be postponed on Monday. The logistics time limit is expected to be 10-15 working days. In case of customs clearance, the delivery time will be extended by 3-7 days. Due to the continuous spread of the novel coronavirus pneumonia epidemic, temporary adjustments of some international routes, and the tightening of air transportation, there will be corresponding delays in the direction of the United States. The final date of receipt is subject to the information of the postal company.