Mail a large envelope

To mail a large envelope, you'll need to follow these steps:

Step 1: Prepare the Envelope

Step 2: Determine the Correct Postal Rate

Step 3: Affix the Correct Postage

Step 4: Complete the Address

Step 5: Add Any Additional Information

Step 6: Mail the Envelope

Tips and Reminders

By following these steps, you should be able to successfully mail a large envelope.