How much to mail a 5.2 oz padded envelope?

The cost to mail a 5.2 oz padded envelope varies based on the mailing service and destination. For example, using the United States Postal Service (USPS), sending it via First-Class Mail could cost around $4 to $6, depending on the envelope's dimensions and any additional services like tracking. It's best to check the latest rates on the USPS website or at your local post office for the most accurate pricing.