Priority Mail is USPS's premium domestic shipping service, delivering packages in 1-3 business days with included insurance and tracking.
Priority Mail Features
- 1-3 business day delivery
- Free tracking on every package
- $100 insurance included
- Free USPS Priority Mail packaging
- Flat Rate options for predictable pricing
- Saturday and holiday delivery included
Flat Rate Pricing
| Box Size | Approximate Price | Best For |
|---|---|---|
| Small Flat Rate Box | ~$10.00 | Jewelry, small electronics, documents |
| Medium Flat Rate Box | ~$16.00 | Books, clothing, mid-size items |
| Large Flat Rate Box | ~$22.00 | Heavy items up to 70 lbs |
| Flat Rate Envelope | ~$9.00 | Documents, photos, thin items |
Flat Rate boxes are especially valuable for heavy items — you pay the same price regardless of weight (up to 70 lbs) or distance.