Media Mail rates & restrictions: what you can and can’t send
By Justin Winter · Updated August 22, 2026
Media Mail is a discounted USPS rate limited to books, sound and video recordings, printed music, and a handful of other approved media — it is slower than First-Class and legally can’t be used for letters, personal correspondence, or advertising, even if you slip them inside an eligible package. If you’re trying to mail a letter or document, Media Mail isn’t an option at all; that’s First-Class ($1.99), Certified ($12.99), Certified with electronic Return Receipt ($14.99), or Priority ($24.99).
What Media Mail actually is
Media Mail is a USPS shipping class created specifically for a narrow set of physical media: books, sound recordings, video recordings, printed sheet music, computer-readable media, and a few adjacent categories like play scripts and academic theses. It exists because Congress and USPS have long treated the distribution of books and educational material as worth subsidizing — the rate is meaningfully cheaper than First-Class or Priority for anything heavy, but it trades speed for that discount. Media Mail typically takes anywhere from 2 to 8 business days, and USPS doesn’t guarantee a delivery window the way it does for faster classes.
Why the restrictions exist
The discount only makes sense if the category stays narrow. USPS is explicit that Media Mail may not contain advertising, personal letters, or personal correspondence of any kind — not even a short note clipped to a book. To keep the rate from being used as a cheap backdoor for regular mail, USPS reserves the right to open and inspect Media Mail packages, and inspectors are specifically trained to look for letters, invoices, or marketing material hidden inside otherwise-eligible shipments. When they find ineligible contents, the sender can be charged the postage difference retroactively, and the package can be held or returned. This isn’t a rarely-enforced footnote; it’s the mechanism that keeps the whole rate class solvent.
What does and doesn’t qualify
| Eligible for Media Mail | Not eligible |
|---|---|
| Books (8+ pages, no significant advertising) | Letters, cards, and personal correspondence |
| Printed music | Catalogs, brochures, or anything advertising a product |
| Sound recordings (CDs, vinyl, cassettes) | Computer drives, blank media, or electronics |
| Video recordings (DVDs, film reels) | Business documents, forms, or invoices |
| Play scripts, manuscripts, academic theses | Legal notices or court filings |
| Educational loose-leaf pages and workbooks | Any note or slip beyond a brief packing description |
Why this doesn’t apply to what paperplane sends
paperplane exists to take text you type or a PDF you upload, print it, and mail it as a letter or document — things like demand letters, notices, forms, and business correspondence. That category is squarely personal correspondence and business mail, which is exactly what Media Mail excludes by definition. There’s no version of a paperplane letter that would qualify for Media Mail, and if it somehow shipped that way, it would be exactly the kind of package USPS audits are designed to catch.
Instead, every paperplane letter goes out First-Class, Certified, or Priority — the classes actually built for correspondence:
| Service | Price | Best for |
|---|---|---|
| First-Class | $1.99 all-in | Standard letters, notices, everyday correspondence |
| Certified Mail | $12.99 all-in | Proof of mailing and tracking for anything time-sensitive or disputed |
| Certified + electronic Return Receipt | $14.99 all-in | Court-ready proof the recipient actually received it |
| Priority Mail | $24.99 all-in | Faster delivery when timing matters most |
If you’re shipping an actual book, CD, or DVD, Media Mail through USPS directly (or a shipping service that handles packages) is the right tool. If you’re trying to get a letter or document into someone’s hands, that’s what paperplane is built for.
Related guides
Common questions
What exactly qualifies for Media Mail?
Books (at least 8 pages), printed music sheets, sound recordings (CDs, vinyl, cassettes), video recordings (DVDs, film), computer-readable media like disks with recorded content, and some educational materials such as loose-leaf test pages and workbooks. USPS publishes the exact category list, and the eligibility rule is about what the package contains, not what box you check.
Can I put a letter or invoice inside a Media Mail package?
No. USPS prohibits any advertising, personal correspondence, or notes beyond a brief packing slip inside a Media Mail shipment. A folded letter tucked in with a book is exactly the kind of thing their audits look for, and it’s a rule USPS actually enforces, not a technicality nobody checks.
What happens if USPS finds ineligible contents?
USPS can open and inspect Media Mail packages at any point. If they find something that doesn’t qualify, they can charge the sender the difference up to the applicable First-Class or Priority rate, delay the package, or return it — the discount only holds if the contents actually match the category.
Is Media Mail cheaper than First-Class?
For heavier, bulkier items like books it usually is, which is the point of the rate — USPS subsidizes it to move media and educational materials cheaply. For a one- or two-page letter, though, Media Mail was never an available option in the first place, so the comparison doesn’t really apply.
Why does this page exist on a letter-mailing site?
People researching Media Mail often land here while comparing USPS mail classes generally. To be direct: paperplane prints and mails letters and documents, not books or media, so we never send anything via Media Mail. This page is accurate general reference, not a service we offer — for an actual letter, see First-Class, Certified, or Priority below.