How should I lay out a piece to comply with USPS mailing regulations?

Bulk mail comes in all shapes and sizes finding the best way to mail your piece can save you or your business money. If this section of the help center does not answer your questions feel free to call one of our mailing specialists today.

What is the difference between a letter and a flat?

To qualify as a letter, a mailpiece must be a minimum of 3 1/2" H x 5" L and .007 inch thick, but not larger than 6 1/8" H x 11 1/2" L and 1/4" thick. A flat is a mailpiece larger than 6 1/8" H x 11 1/2" L and 1/4" thick but smaller than12" H x 15" L and 3/4" thick.

What is the difference between standard and first class bulk mail?

Advantages of standard mail are significantly lower postage costs versus First Class mail. In order to send your mail at Standard Mail rates you must have either A) 200 pieces or B) 50 pounds of mail. The pieces must be uniform and of a non-personal nature (ie. advertisements, catalogs, solicitations, newsletters). USPS delivery time on Standard Mail is 7-10 days. First Class is usually delivered in 3-5 business days and will be returned to you at no charge if undeliverable. Standard mail will be discarded with no notification if undeliverable.

How do I set up a piece to be bulk mailed?

You should always try to qualify for the automation rate , which provides the best service and has the lowest postage cost. If you cannot qualify for the automation rate, then you will have to use the presort rate. In this event, your postage and production costs will be higher. The requirements and tips in this guide are designed to help you qualify for the automation rate.