PRIORITY MAIL UNITED STATES POSTAL SERVICES FLAT RATE ENVELOPE FLATE RATE POSTAGE REGARDLESS OF WEIGHT DEOMESTIC USE ONLY WWW.USPS.COM

Mailing materials, namely plastic or paper envelopes and pouches and cardboard and corrugated boxes for shipping and packaging; adhesive tape and labels for packaging

Sorting, handling and receiving packages and letters

Pickup, transportation, and delivery of packages, letters, and documents by various modes of transportation