Postal Regulations
Call if questions.
| Letter - Sized Mail | Flat - Sized Mail | Postcards | |
| Min Size: | 3.5 x 5 | 6.125 x 11.5 | 3.5 x 5 |
| Max Size: | 6.125 x 11.5 | 12 x 15 | 4.25 x 6 |
| Min Thickness | .009 inches | .25 inches | .007 inches |
| Max Thickness | .25 inches | .75 inches | .016 inches |
| Tube Mailings | Considered an Irregular Parcel and is mailed at parcel rates. |
Length not to be over 26” inches. |
Weight not to exceed 70 pounds. |
Magnet Mailings |
Maximum size: 4.25 x 6 |
Magnetic side must face the non-address side of the mail piece. |
The magnet must be right justified (leading edge) on the mail piece. |