| Priority Mail Express® | Fastest USPS service with overnight delivery to most U.S. addresses, including weekends. Includes tracking and $100 of insurance. |
| Priority Mail® | 1–3 day delivery with free USPS packaging, tracking, and $100 of insurance included. |
| USPS Ground Advantage™ | Affordable ground shipping in 2–5 business days. Includes tracking and $100 of insurance. |
| First-Class Mail® (Letters and Flats) | Cost-effective delivery for letters, flats, and large envelopes. No tracking or insurance included. |
| Library Mail® | Discounted shipping for educational materials. No insurance included. Tracking may be limited. |
| Media Mail® | Economical shipping for books and media. No insurance included. Limited tracking provided. |
