Gabriel Ideas Written by Gabriel

Unused Postcards: Media Mail Savings Guide

By Gabriel Aug 06, 2026
What NOT to Do in Postcrossing (Beginner Friendly Guide)
What NOT to Do in Postcrossing (Beginner Friendly Guide)

Ever wondered what happens to postcards you've sent but have not been delivered? Or perhaps you're a collector with a stash of never-used postcards. You might be curious whether these unused pieces can be sent via Media Mail, a cheaper option for shipping books and other media. Let's dive into the intricacies of Media Mail and its relationship with unused postcards.

What NOT to Do in Postcrossing (Beginner Friendly Guide)
What NOT to Do in Postcrossing (Beginner Friendly Guide)

First, let's understand what Media Mail is. It's a subclass of the Library Mail service offered by the United States Postal Service (USPS). It's designed for shipping educational materials such as books, manuscripts, printed music, film scripts, and software at reduced rates. Now, where do unused postcards fit into this equation?

Исходящие 📤 международные 28.02.2026 | Почтовая открытка | Postcrossing
Исходящие 📤 международные 28.02.2026 | Почтовая открытка | Postcrossing

Understanding Media Mail Requirements

Media Mail was created to facilitate the low-cost exchange of educational, cultural, and academic materials. It's subject to strict eligibility criteria to ensure it serves its intended purpose. Let's explore these requirements more closely.

📨 Postcrossing Peeves 📨
📨 Postcrossing Peeves 📨

At its core, Media Mail is for shipping "media" - things you'd typically find in a library. The USPS defines media as "/materials used for instruction or study, including: books, video tapes, compact discs, laser discs,Manage Print Doc Keys-AI (0)sheet Music on CD, punched paper tape or other media, microfilm or microfiche, manuscript whereas, draughtsmen's drawings, prints, maps, and globes."

Is There a Weight Limit?

funny san francisco postcard
funny san francisco postcard

Yes, Media Mail does have weight limits. The maximum weight for a Media Mail package is 70 pounds. While postcards are light, the total weight of a package comprising many unused postcards could potentially exceed this limit.

Additionally, there's a size limit. The combined length and girth (distance around the thickest part of the package) cannot exceed 130 inches. A collection of unused postcards might not fail this size test, but it's a factor to consider, especially if you're shipping other media with them.

label Requirements

Mail Art Bulletin: Postcards
Mail Art Bulletin: Postcards

To send a package via Media Mail, it must bear an accurate return address. For postcards, this means carefully adorning the 'to' side with your return address. Make sure it's legible and complete, including your full name, street address, city, state, and ZIP code.

However, it's crucial to note that postcards, even if unused, aren't explicitly mentioned in the USPS guidelines for acceptable Media Mail items. Thus, whether postcards qualify as 'media' is somewhat ambiguous.

Used vs Unused Postcards

How To Mail A Postcard
How To Mail A Postcard

The USPS guidelines don't make a distinction between used and unused postcards. Both can be sent via First-Class Mail. However, when it comes to Media Mail, the line seems blurrier. Since Media Mail is primarily for shipping educational materials, unused postcards that didn't fulfill their original purpose seem out of place.

Moreover, for Media Mail, the USPS checks the content of packages to ensure they comply with eligibility requirements. Unused postcards alone might raise eyebrows and potentially lead to additional postal scrutiny or fees.

a postcard with an image of some buildings and a boat in the water on it
a postcard with an image of some buildings and a boat in the water on it
four different pictures are hanging on the wall
four different pictures are hanging on the wall
old post cards 💌
old post cards 💌
an old postcard with the image of a lake and mountains in the back ground
an old postcard with the image of a lake and mountains in the back ground
an open postcard with sheep grazing in the field and trees on the hill behind it
an open postcard with sheep grazing in the field and trees on the hill behind it
The end of the Thousand Postcard Project: thoughts about art for art's sake — Naomi Loves
The end of the Thousand Postcard Project: thoughts about art for art's sake — Naomi Loves

What About Used Postcards?

Used postcards sent as part of an educational or research project could potentially qualify for Media Mail. For instance, if you're shipping a collection of vintage postcards to a university library for preservation and study, they might be eligible.

However, even used postcards aren't explicitly mentioned in the guidelines. It's always a good idea to check with your local post office for definitive guidance on the eligibility of your specific shipment.

Alternatives to Media Mail

If Media Mail isn't an option for your unused postcards, there are alternative shipping methods. First-Class Mail is always an option, albeit more expensive. Priority Mail and Priority Mail Express offer faster delivery and various size and weight allowances.

However, for heavy or bulky packages, consider Retail Ground or another commercial carrier like UPS or FedEx. They often provide better rates for heavier shipments and can deliver to businesses as well as residences.

In the end, whether unused postcards can be sent via Media Mail depends on how liberally you interpret the USPS guidelines. While they're not explicitly excluded, they're also not explicitly included. To avoid potential issues, it might be best to stick with other shipping methods for your collection of unused postcards. After all, the last thing you want is for your beloved postcards to end up in a postal limbo due to a technicality.