The Reseller Index
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What can you send by Media Mail?

Only nine kinds of items: USPS's Domestic Mail Manual says "Only these items may be mailed at the Media Mail prices" and lists books, 16 mm or narrower films, printed music, printed tests, sound and video recordings, playscripts and manuscripts, educational charts, medical loose-leaf pages and computer-readable media (DMM 173.4.1). Anything not on that list, such as a magazine, a board game or a video game, pays another price.

Each page below answers one question with the rule in USPS's words, its section number, prices at 1, 2 and 5 lb and what to ship instead. Media Mail costs $4.39 for 1 lb, $5.13 for 2 lb and $7.34 for 5 lb to any US address (full Media Mail rates).

Rates verified on

The nine items that qualify

Our summary of DMM 173.4.1a-i, read on Oct 19, 2026; each question page quotes the rule itself. Source.
DMM 173.4.1ItemConditionsQuestions
a Books At least eight printed pages of reading matter, with no advertising other than incidental announcements of books. Books with ads, Comic books, Textbooks, workbooks and tests, Coloring, puzzle and activity books, Binders and loose-leaf pages
b Films 16 mm or narrower, positive prints in final form for viewing, and catalogs of them with 24 or more pages; not to or from commercial theaters. Film reels, slides and negatives, Catalogs
c Printed music Bound or in sheet form. Sheet music
d Printed objective test materials Used by or on behalf of educational institutions, with their accessories. Textbooks, workbooks and tests
e Sound recordings Video recordings and player piano rolls count as sound recordings. Records, CDs, tapes and DVDs
f Playscripts and manuscripts For books, periodicals and music. Binders and loose-leaf pages, Sheet music
g Printed educational reference charts A single printed sheet, conveyed mainly by graphs, diagrams, tables or other non-narrative matter. Maps, charts and posters
h Medical loose-leaf pages and binders For doctors, hospitals, medical schools and medical students. Binders and loose-leaf pages
i Computer-readable media Containing prerecorded information, with guides or scripts prepared solely for use with them. Software, blank discs and drives

Does this item qualify?

USPS's Media Mail list is closed: only the nine kinds of items in DMM 173.4.1 go at Media Mail prices.

What else can go in the box

Notes, invoices, flyers and anything that doesn't qualify.

Limits, services and destinations

Weight, size, drop-off, boxes, extra services, Library Mail, and military and territory addresses.

When something goes wrong

Inspection, postage due, and undeliverable and refused packages.

Why the list is so short

“Media Mail, or ‘book rate,’ as it was formerly known, was initially designed in 1938 to provide lower postal prices for the mailing of books.”
USPS Customer Support Ruling PS-334 · USPS Customer Support Ruling PS-334: Computer-Readable Media Eligibility for Media Mail Prices (updated July 2018)
“the policy behind this classification has been to encourage the flow of educational materials through the mail.”
USPS Customer Support Ruling PS-334 · USPS Customer Support Ruling PS-334: Computer-Readable Media Eligibility for Media Mail Prices (updated July 2018)

USPS ruled video games and board games out on that ground: they're used primarily for entertainment. Anything not on the nine-item list pays another price however educational it looks, and USPS may open any Media Mail package to check (DMM 173.2.2).

How we answer these

Every answer comes from USPS's own pages, read on Oct 19, 2026: the Domestic Mail Manual on Postal Explorer, USPS's Customer Support Rulings (its published examples of how the manual applies to specific mailpieces), Notice 123 and usps.com, plus the federal regulation that adopts the manual and the Postal Regulatory Commission's Mail Classification Schedule where they bear on a question. Quotes are short and verbatim, with the section number. Where USPS hasn't ruled on an item, the page says so and shows the reasoning instead of guessing. Prices come from the Notice 123 effective Oct 4, 2026.

Related: Media Mail rates, cheapest way to ship books, how to ship video games, Ground Advantage rates, USPS package rules for every mail class, USPS delivery times.

Sources

Rates verified on from each official page below.

Free 1-page Reseller Cheat Sheet: fees on 8 platforms, Media Mail and stamp prices

What each platform takes from a $10, $25 and $50 sale, Media Mail 1-10 lb, Ground Advantage to Zones 1, 5 and 8, and the Forever stamp, on one printable page. The link appears as soon as you sign up.