First-Class Mail
Any mailable matter may be mailed as First Class Mail. The following examples are considered First Class matter and must carry postage at First Class or Priority Mail rates.
Priority Mail
All First Class Mail exceeding 13 ounces and not exceeding 70 pounds is considered priority mail and, at the option of the mailer, any mail weighing 13 ounces or less. There is no minimum weight limitation. There is a flat rate up to 1 pound. Priority Mail service carries no guarantee and is advertized by the USPS as a 2-day delivery service.
Standard Mail
The following qualify for Standard Mail:
Circulars Booklets Merchandise Photographs |
Catalogs Newsletters Product Samples Printed Matter |
Each piece of Standard Mail must be less than 16 ounces. Anything heavier must be mailed as Parcel Post or Priority Mail.
The specification for size and surcharge for single piece Standard Mail weighing one ounce or less are the same as for First Class.
Package Services / Parcel Post
The following are considered Parcel Post:
Supplies Library Materials Media Mail: |
Books Bound Printed Matter Merchandise |
Each item must not exceed 70 pounds in weight and a maximum size of 108″ in length and girth combined.