There is no single safe Forever-stamp count for mailing a CD. A CD is rigid, so the answer depends on the finished mailer’s weight, dimensions, thickness and classification. A thin letter-size CD mailer may need two or three ordinary Forever stamps; a padded mailer or jewel case commonly becomes a package and needs a zone-based USPS Ground Advantage price instead.
If the CD qualifies as a nonmachinable letter
The following examples apply only when the sealed mailer stays within USPS letter dimensions, is no more than 1/4 inch thick and no more than 3.5 ounces. A square or rigid CD mailer is nonmachinable, so the current $0.49 surcharge is added.
| Finished weight | Current nonmachinable-letter postage | Ordinary Forever stamps only |
|---|---|---|
| Up to 1 oz | $1.31 | 2 stamps ($1.64; overpays $0.33) |
| Over 1 oz through 2 oz | $1.60 | 2 stamps ($1.64; overpays $0.04) |
| Over 2 oz through 3 oz | $1.89 | 3 stamps ($2.46; overpays $0.57) |
| Over 3 oz through 3.5 oz | $2.18 | 3 stamps ($2.46; overpays $0.28) |
A typical result cannot be assumed from the disc alone. The sleeve, stiffener, cardboard mailer and any inserts all count toward weight and thickness.
When the CD is a package instead
Use package pricing when the packed item exceeds letter thickness, is in a padded mailer or jewel case, or otherwise does not qualify as a letter. Package prices depend on the weight, dimensions, origin and destination ZIP Codes. Calculate the USPS Ground Advantage price first, then divide that amount by the current $0.82 ordinary Forever value and round up if you insist on paying with whole stamps.
A package paid only with stamps can also be subject to USPS acceptance rules, especially when it is over 10 ounces or more than 1/2 inch thick. Taking it to a retail counter avoids guessing about classification and deposit requirements.
How to pack a CD safely
- Place the disc in a protective sleeve or case so the recorded surface cannot rub against paper.
- Add a rigid cardboard layer on both sides if you are not using a case.
- Prevent the disc from moving inside the mailer.
- Measure the thickest point and weigh the fully sealed package.
- Choose protection before trying to force the item into a cheaper mail category.
A plain paper envelope may tear and provides little protection from bending equipment. A purpose-made cardboard CD mailer or padded mailer is usually the more reliable choice, even if it changes the price.
Use this decision order
- Thin and within letter dimensions: calculate it as a nonmachinable letter using the table above.
- Thicker than 1/4 inch or in parcel-style packaging: calculate USPS Ground Advantage.
- Unsure: use the postage decision guide and confirm at a Post Office.
Frequently asked questions
Can I mail a CD with two Forever stamps?
Two current Forever stamps provide $1.64. That covers a qualifying nonmachinable letter weighing up to two ounces, but it does not automatically cover a padded mailer, jewel case or package.
Can a CD go in a regular envelope?
It may fit, but a CD is rigid and vulnerable to damage. The finished piece can require nonmachinable postage, and a plain envelope offers poor protection.
Does Media Mail apply to a single music CD?
Some qualifying recorded media can use Media Mail, but eligibility depends on the contents and current USPS standards. Compare the complete package and service requirements rather than assuming every disc qualifies.
Should I write “Do Not Bend” on the mailer?
You may add handling language, but it does not change postage classification or guarantee special handling. Protective packaging is more important.
Rates and rules checked September 1, 2026: USPS Notice 123; USPS DMM 101; USPS Ground Advantage. Rates and classification rules can change.