How to send shrimp skin by express delivery? Go directly to the post office to place an order, enter the mailing address, fill in the postal code, then write the address of the person who sent the express mail on it, write the name of the recipient in the middle, write your address below, and write down the house number and telephone number clearly. Write down your postal code and you can send it, then attach the cost of sending the express mail, pack it, fill in the express number and pay the postage.