Envelope Sheet Capacity

Getting Started

You can send any number of sheets through our service. It doesn't matter if you need to send one sheet or 1,000 or more to your recipients. This guide explains the sheet capacity for different envelope types, and how your mailing may be automatically upgraded to a larger envelope or box for certain sheet counts.


In This Article


Standard #10 Envelope Capacity

  • Maximum: A standard sized #10 envelope fits up to 15 sheets of 8.5" x 11" 20lb paper
  • Best For small mailings within the 15-sheet limit
  • If your job exceeds this, you can select the large flat envelope option, or your envelope will automatically be upgraded to a larger flat envelope by our system

Large Flat Envelope Capacity

  • Maximum: A large flat-sized envelope fits up to 75 sheets of paper
  • Best For higher sheet count mailings, or those utilizing legal-size documents

Box Shipments

If your mailing exceeds 75 sheets of paper per recipient, we will send your documents in a sealed cardboard box. We refer to these as "box shipments".

You can send Box shipments cannot be selected within your account during the job building process. It will only apply when the mailing exceeds 75 sheets of paper, at which point our system will automatically upgrade it for you.

In other words, all you have to do is create your mailing as normal, and we'll take care of the rest by ensuring your documents are mailed in the correct packaging!

  • First-Class Mail box shipments: Tracking is not included
  • Certified Mail box shipments: Automatically upgraded to USPS Priority Certified Mail and includes tracking

Optimizing Document Layout

To reduce the number of physical sheets used, select duplex printing (prints on both sides of each sheet). For example, a 100-page PDF printed duplex will use 50 sheets of paper.

Still need help? Contact Us Contact Us