usps priority mail costs

usps priority mail costs vary depending on the size, weight, and destination of the package. Priority Mail is one of the most popular services from the United States Postal Service, offering faster delivery than First-Class Mail, with most shipments arriving within 1–3 business days. For e-commerce sellers, understanding the cost structure of USPS Priority Mail is crucial to calculating shipping expenses. Using flat-rate boxes can also help streamline shipping costs for certain sizes and weights, making it easier to budget for deliveries.