The following table is a complete pricing chart for First Class Package as of 2020. The 2020 First Class Package Pricing Table (Commercial Pricing) There are free USPS boxes for other mail classes, such as Priority Mail and Priority Mail Express. You’ll need to use your own packaging for this mail class.There are no USPS branded boxes for First Class Package.USPS First Class Package doesn’t come with built-in insurance (therefore, we recommend that you purchase additional shipping insurance when using this service).Maximum dimensions allowed are 22 inches long, 18 inches wide, and 15 inches thick (22x18x15″).Maximum weight allowed is 15.999 ounces (just under 1 pound).Delivery occurs between 1-3 business days anywhere in the United States.USPS First Class Package Service: The Breakdown

Here’s everything you need to know about it. USPS First Class Package Service is one of the US Postal Service’s most popular shipping services, perfect for sending out lightweight items in a quick timeframe.

Service pack