Are photograhsic slides consdiered media mail

In the United States, the United States Postal Service (USPS) considers photographic slides to be a type of "printed matter" and not "media mail" for the purpose of mailing.

Here's why:

However, it's worth noting that photographic slides can be mailed at a lower rate than regular first-class mail if they are packaged in a way that meets USPS regulations. For example, slides can be mailed in a flat-rate envelope or package, which can be more cost-effective than mailing them individually.

To determine the correct mailing rate for your photographic slides, you can consult the USPS website or visit your local post office.